Address some of the warnings flagged by either compiler or valgrind.

	-mi
--- speech_tools/stats/EST_Discrete.cc	2010-11-05 10:12:43.000000000 -0400
+++ speech_tools/stats/EST_Discrete.cc	2023-02-20 22:17:06.842236000 -0500
@@ -152,5 +152,5 @@
     for (i=0; i<next_free; i++)
 	delete discretes[i];
-    delete discretes;
+    delete[] discretes;
 }
 
--- festival/src/modules/hts_engine/fest2hts_engine.cc	2013-02-18 10:10:52.000000000 -0500
+++ festival/src/modules/hts_engine/fest2hts_engine.cc	2023-02-20 22:55:59.303248000 -0500
@@ -191,16 +191,16 @@
   char *copyright[] = { HTS_COPYRIGHT };
 
-  sprintf(str,
+  str += sprintf(str,
            "\nThe HMM-Based Speech Synthesis Engine \"hts_engine API\"\n");
 
-  sprintf(str,
-           "%shts_engine API version %s (%s)\n", str, version, url);
+  str += sprintf(str,
+           "hts_engine API version %s (%s)\n", version, url);
   for (i = 0; i < nCopyright; i++) {
     if (i == 0)
-      sprintf(str,
-               "%sCopyright (C) %s\n", str, copyright[i]);
+      str += sprintf(str,
+               "Copyright (C) %s\n", copyright[i]);
     else
-      sprintf(str,
-               "%s              %s\n", str, copyright[i]);
+      str += sprintf(str,
+               "              %s\n", copyright[i]);
   }
   sprintf(str, "%sAll rights reserved.\n", str);
--- speech_tools/speech_class/EST_wave_io.cc	2013-10-14 17:54:33.000000000 -0400
+++ speech_tools/speech_class/EST_wave_io.cc	2023-02-21 00:03:12.559352000 -0500
@@ -230,5 +230,5 @@
 	data_length = length*(*num_channels);
 
-    file_data = walloc(unsigned char,sample_width * data_length);
+    file_data = new unsigned char[sample_width * data_length];
 
     ts.seek(current_pos+NIST_HDR_SIZE+(sample_width*offset*(*num_channels)));
--- speech_tools/siod/slib_python.cc	2014-12-11 10:30:16.000000000 -0500
+++ speech_tools/siod/slib_python.cc	2023-02-21 00:07:42.577728000 -0500
@@ -372,8 +372,4 @@
   Py_Finalize();
 }
-#else   // No python support
-
-/* So there is a symbol in here even if there is no python support */
-static int est_no_python_support = 1;
 
 #endif  // EST_SIOD_ENABLE_PYTHON
--- speech_tools/include/EST_Token.h	2004-09-29 04:24:17.000000000 -0400
+++ speech_tools/include/EST_Token.h	2023-02-21 00:23:22.647701000 -0500
@@ -119,6 +119,4 @@
     const EST_String &string() const { return String(); }
     /// Access token as a string
-    const EST_String &S() const { return S(); }
-    /// Access token as a string
     const EST_String &String() const { return pname; }
     /// For automatic coercion to \Ref{EST_String}
--- festival/src/modules/UniSyn/us_mapping.cc	2014-12-18 10:48:03.000000000 -0500
+++ festival/src/modules/UniSyn/us_mapping.cc	2023-02-21 00:47:56.907441000 -0500
@@ -169,5 +169,5 @@
 	// find closest pitchmark (assume only need forward search from current
 	// point, since pitchmarks should always be increasing)
-	while( (apm_i<=s_i_end) && (fabs((next_apm_t*m)-tpm_t) <= fabs((apm_t*m)-tpm_t)) ){
+	while ((apm_i < s_i_end - 1) && (fabs((next_apm_t*m)-tpm_t) <= fabs((apm_t*m)-tpm_t))) {
 // 	  printf("(next_apm_t apm_t) %f %f\n", 
 // 		 fabs((next_apm_t*m)-tpm_t), fabs((apm_t*m)-tpm_t) );