demos/window_sdl: fix missing header file for memmove

quink-black · kasper93 · commit 65a41a6cd3d8 · 2026-01-09T20:08:30.000+01:00
diff --git a/demos/window_sdl.c b/demos/window_sdl.c
@@ -5,6 +5,7 @@
 #endif
 
 #include <SDL.h>
+#include <string.h>
 
 #include "common.h"
 #include "window.h"
