Remove/Rename SDL_FreeWAV() to SDL_free()

test/loopwavequeue.c

@@ -112,7 +112,7 @@ int main(int argc, char *argv[])
     /* Initialize fillerup() variables */
     if (SDL_OpenAudio(&wave.spec, NULL) < 0) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open audio: %s\n", SDL_GetError());
-        SDL_FreeWAV(wave.sound);
+        SDL_free(wave.sound);
         quit(2);
     }
 
@@ -139,7 +139,7 @@ int main(int argc, char *argv[])
 
     /* Clean up on signal */
     SDL_CloseAudio();
-    SDL_FreeWAV(wave.sound);
+    SDL_free(wave.sound);
     SDL_free(filename);
     SDL_Quit();
     return 0;