add missing include for toupper and isxdigit

2025-01-23 10:32:46 +01:00 · 2025-01-23 10:32:46 +01:00 · 18e6eadf78
parent 8016f1d840
commit 18e6eadf78
1 changed files with 1 additions and 0 deletions
--- a/SDL/gui.c
+++ b/SDL/gui.c
@ -6,6 +6,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <dirent.h>
+#include <ctype.h>
 #include "utils.h"
 #include "gui.h"
 #include "font.h"