Make sure we have a sane numeric locale.

--- plugins-root/check_dhcp.c.orig	2019-12-04 21:53:08 UTC
+++ plugins-root/check_dhcp.c
@@ -254,7 +254,7 @@ int main(int argc, char **argv) {
   int dhcp_socket;
   int result = STATE_UNKNOWN;
 
-  setlocale(LC_ALL, "");
+  setlocale(LC_ALL, ""); setlocale(LC_NUMERIC, "C");
   bindtextdomain(PACKAGE, LOCALEDIR);
   textdomain(PACKAGE);
 
--- plugins-root/check_icmp.c.orig	2020-02-20 19:14:52 UTC
+++ plugins-root/check_icmp.c
@@ -501,7 +501,7 @@ int main(int argc, char **argv) {
   int on = 1;
 #endif
 
-  setlocale(LC_ALL, "");
+  setlocale(LC_ALL, ""); setlocale(LC_NUMERIC, "C");
   bindtextdomain(PACKAGE, LOCALEDIR);
   textdomain(PACKAGE);
 
--- plugins/check_by_ssh.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_by_ssh.c
@@ -74,7 +74,7 @@ main (int argc, char **argv)
 	remotecmd = "";
 	comm_append(SSH_COMMAND);
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_cluster.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_cluster.c
@@ -65,7 +65,7 @@ int main(int argc, char **argv){
 	int return_code=STATE_OK;
 	thresholds *thresholds = NULL;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_dbi.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_dbi.c
@@ -117,7 +117,7 @@ main (int argc, char **argv)
 
 	int i;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_dig.c.orig	2020-02-24 15:32:00 UTC
+++ plugins/check_dig.c
@@ -76,7 +76,7 @@ main (int argc, char **argv)
   int result = STATE_UNKNOWN;
   int timeout_interval_dig;
 
-  setlocale (LC_ALL, "");
+  setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
--- plugins/check_disk.c.orig	2020-02-20 19:14:52 UTC
+++ plugins/check_disk.c
@@ -250,7 +250,7 @@ main (int argc, char **argv)
   perf = strdup ("");
   stat_buf = malloc(sizeof *stat_buf);
 
-  setlocale (LC_ALL, "");
+  setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
--- plugins/check_dns.c.orig	2020-02-20 19:14:52 UTC
+++ plugins/check_dns.c
@@ -120,7 +120,7 @@ main (int argc, char **argv)
     output chld_out, chld_err;
     size_t i;
 
-    setlocale (LC_ALL, "");
+    setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
     bindtextdomain (PACKAGE, LOCALEDIR);
     textdomain (PACKAGE);
 
--- plugins/check_dummy.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_dummy.c
@@ -44,7 +44,7 @@ main (int argc, char **argv)
 {
   int result = STATE_UNKNOWN;
 
-  setlocale (LC_ALL, "");
+  setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
--- plugins/check_fping.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_fping.c
@@ -82,7 +82,7 @@ main (int argc, char **argv)
   char *option_string = "";
   input_buffer = malloc (MAX_INPUT_BUFFER);
 
-  setlocale (LC_ALL, "");
+  setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
--- plugins/check_game.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_game.c
@@ -71,7 +71,7 @@ main (int argc, char **argv)
   size_t i = 0;
   output chld_out;
 
-  setlocale (LC_ALL, "");
+  setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
   bindtextdomain (PACKAGE, LOCALEDIR);
   textdomain (PACKAGE);
 
--- plugins/check_hpjd.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_hpjd.c
@@ -94,7 +94,7 @@ main (int argc, char **argv)
 
 	errmsg = malloc(MAX_INPUT_BUFFER);
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_http.c.orig	2020-02-20 19:14:52 UTC
+++ plugins/check_http.c
@@ -156,7 +156,7 @@ main (int argc, char **argv)
 {
     int result = STATE_UNKNOWN;
 
-    setlocale (LC_ALL, "");
+    setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
     bindtextdomain (PACKAGE, LOCALEDIR);
     textdomain (PACKAGE);
 
--- plugins/check_ide_smart.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_ide_smart.c
@@ -200,7 +200,7 @@ main (int argc, char *argv[]) 
 	/* Parse extra opts if any */
 	argv=np_extra_opts (&argc, argv, progname);
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_ldap.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_ldap.c
@@ -108,7 +108,7 @@ main (int argc, char *argv[])
 	int status_entries = STATE_OK;
 	int num_entries = 0;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_mrtg.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_mrtg.c
@@ -64,7 +64,7 @@ main (int argc, char **argv)
 	unsigned long maximum_value_rate = 0L;
 	unsigned long rate = 0L;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_mrtgtraf.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_mrtgtraf.c
@@ -76,7 +76,7 @@ main (int argc, char **argv)
 	char incoming_speed_rating[8];
 	char outgoing_speed_rating[8];
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_mysql.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_mysql.c
@@ -113,7 +113,7 @@ main (int argc, char **argv)
 
         perf = strdup ("");
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_mysql_query.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_mysql_query.c
@@ -73,7 +73,7 @@ main (int argc, char **argv)
 	char *error = NULL;
 	int status;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_nagios.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_nagios.c
@@ -82,7 +82,7 @@ main (int argc, char **argv)
 	output chld_out, chld_err;
 	size_t i;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_nt.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_nt.c
@@ -116,7 +116,7 @@ int main(int argc, char **argv){
 	int isPercent = FALSE;
 	int allRight = FALSE;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_ntp.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_ntp.c
@@ -782,7 +782,7 @@ int main(int argc, char *argv[]){
 	double offset=0, jitter=0;
 	char *result_line, *perfdata_line;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_ntp_peer.c.orig	2020-02-20 19:14:52 UTC
+++ plugins/check_ntp_peer.c
@@ -564,7 +564,7 @@ int main(int argc, char *argv[]){
 	double offset=0, jitter=0;
 	char *result_line, *perfdata_line;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	setlocale (LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
--- plugins/check_ntp_time.c.orig	2020-02-20 19:14:52 UTC
+++ plugins/check_ntp_time.c
@@ -575,7 +575,7 @@ int main(int argc, char *argv[]){
 	double offset=0;
 	char *result_line, *perfdata_line;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	setlocale (LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
--- plugins/check_nwstat.c.orig	2017-01-19 16:01:31 UTC
+++ plugins/check_nwstat.c
@@ -162,7 +162,7 @@ main(int argc, char **argv) {
 	unsigned long sap_entries=0;
 	char uptime[MAX_INPUT_BUFFER];
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_overcr.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_overcr.c
@@ -91,7 +91,7 @@ main (int argc, char **argv)
 	int uptime_hours = 0;
 	int uptime_minutes = 0;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_ping.c.orig	2020-02-20 19:14:52 UTC
+++ plugins/check_ping.c
@@ -83,7 +83,7 @@ main (int argc, char **argv)
 	int this_result = STATE_UNKNOWN;
 	int i;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	setlocale (LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
--- plugins/check_procs.c.orig	2020-02-20 19:14:52 UTC
+++ plugins/check_procs.c
@@ -169,7 +169,7 @@ main (int argc, char **argv)
 	int ret = 0;
 	output chld_out, chld_err;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 	setlocale(LC_NUMERIC, "POSIX");
--- plugins/check_radius.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_radius.c
@@ -170,7 +170,7 @@ main (int argc, char **argv)
 	char *ether;
 	char *str;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_real.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_real.c
@@ -69,7 +69,7 @@ main (int argc, char **argv)
 	char buffer[MAX_INPUT_BUFFER];
 	char *status_line = NULL;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_smtp.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_smtp.c
@@ -148,7 +148,7 @@ main (int argc, char **argv)
 	(void) signal (SIGPIPE, SIG_IGN);
 #endif /* HAVE_SIGACTION */
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_snmp.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_snmp.c
@@ -212,7 +212,7 @@ main (int argc, char **argv)
 	int command_interval;
 	int is_ticks= 0;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_swap.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_swap.c
@@ -100,7 +100,7 @@ main (int argc, char **argv)
 	char str[32];
 	char *status;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_tcp.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_tcp.c
@@ -108,7 +108,7 @@ main (int argc, char **argv)
 
 	FD_ZERO(&rfds);
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_time.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/check_time.c
@@ -67,7 +67,7 @@ main (int argc, char **argv)
 	int result = STATE_UNKNOWN;
 	time_t conntime;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_ups.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/check_ups.c
@@ -110,7 +110,7 @@ main (int argc, char **argv)
 	double ups_utility_deviation = 0.0;
 	int res;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/check_users.c.orig	2017-04-19 16:03:12 UTC
+++ plugins/check_users.c
@@ -73,7 +73,7 @@ main (int argc, char **argv)
 	char input_buffer[MAX_INPUT_BUFFER];
 #endif
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/negate.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/negate.c
@@ -65,7 +65,7 @@ main (int argc, char **argv)
 	output chld_out, chld_err;
 	int i;
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);
 
--- plugins/remove_perfdata.c.orig	2019-12-04 21:53:08 UTC
+++ plugins/remove_perfdata.c
@@ -63,7 +63,7 @@ main(int argc, char **argv)
     output chld_out;
     output chld_err;
 
-    setlocale(LC_ALL, "");
+    setlocale(LC_ALL, ""); setlocale(LC_NUMERIC, "C");
     bindtextdomain(PACKAGE, LOCALEDIR);
     textdomain(PACKAGE);
 
--- plugins/urlize.c.orig	2017-01-16 17:24:03 UTC
+++ plugins/urlize.c
@@ -63,7 +63,7 @@ main (int argc, char **argv)
 		{0, 0, 0, 0}
 	};
 
-	setlocale (LC_ALL, "");
+	setlocale (LC_ALL, ""); setlocale(LC_NUMERIC, "C");
 	bindtextdomain (PACKAGE, LOCALEDIR);
 	textdomain (PACKAGE);