Fix for C23 - these two structures had identical contents but weren't actually
the same definition.

--- thrust-0.89f/src/sound.h	2006-01-09 13:52:09.000000000 +0000
+++ thrust-0.89f/src/sound.h	2025-07-04 18:22:58.422887814 +0100
@@ -14,11 +14,8 @@
 #define SAMPLE_RATE 11025
 #endif
 
-typedef struct {
-  ui8 *data;
-  int len;
-  int loop;
-} sound_t;
+#include "soundIt.h"
+typedef Sample sound_t;
 
 #ifdef __STDC__
 int sound_depends_on_graphics(void);