--- keywords.gperf.orig	2020-01-07 17:04:30 UTC
+++ keywords.gperf
@@ -11,7 +11,7 @@ All rights reserved. See LICENSE.TXT for terms of use.
 #ifdef MEMWATCH
 #include "memwatch.h"
 #endif
-struct keyword *in_word_set(register const char *str, register unsigned int len);
+struct keyword *in_word_set(register const char *str, register size_t len);
 %}
 struct keyword {}
 %%
@@ -266,4 +266,4 @@ hexdata,                0,              HEXDATA
 off,                    0,              OFF
 from,                   0,              FROM
 recursion,              0,              RECURSION
-timeout,                0,              TIMEOUT
\ No newline at end of file
+timeout,                0,              TIMEOUT