diff -up denemo-2.6.0/libs/libsffile/sffile.c.c99 denemo-2.6.0/libs/libsffile/sffile.c
--- denemo-2.6.0/libs/libsffile/sffile.c.c99	2023-01-27 11:40:05.030418369 +0100
+++ denemo-2.6.0/libs/libsffile/sffile.c	2023-01-27 11:40:34.280667274 +0100
@@ -20,6 +20,7 @@
  *================================================================*/
 //Interface to Denemo License:  FSF GPL version 3 or later
 
+#include <ctype.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -51,7 +52,7 @@ static void ConvertIllegalChar(char *nam
 int  ParseSoundfont(char *soundfont, int index, char **name, int *preset, int *bank) {
   FILE *fp;
   static SFInfo sf;
-  static initialized = FALSE;
+  static int initialized = FALSE;
   int i;
   int number = 0;
   if(soundfont) {