Unlock an audio stream for serialized access.
Defined in <SDL3/SDL_audio.h>
bool SDL_UnlockAudioStream(SDL_AudioStream *stream);| SDL_AudioStream * | stream | the audio stream to unlock. | 
(bool) Returns true on success or false on failure; call SDL_GetError() for more information.
This unlocks an audio stream after a call to SDL_LockAudioStream.
You should only call this from the same thread that previously called SDL_LockAudioStream.
This function is available since SDL 3.2.0.