Sync SDL3 wiki -> header

[ci skip]

include/SDL3/SDL_audio.h

@@ -1868,7 +1868,7 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetAudioPostmixCallback(SDL_AudioDeviceID d
  * Example:
  *
  * ```c
- * SDL_LoadWAV_IO(SDL_IOFromFile("sample.wav", "rb"), 1, &spec, &buf, &len);
+ * SDL_LoadWAV_IO(SDL_IOFromFile("sample.wav", "rb"), true, &spec, &buf, &len);
  * ```
  *
  * Note that the SDL_LoadWAV function does this same thing for you, but in a