SDL: audio: Fix audio stream incorrectly not unlocking during unbind.

SDL Commits
1 
From d00ccc1546c0943481f5d65459496a47fe9721df Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Wed, 27 Mar 2024 17:36:26 -0400
Subject: [PATCH] audio: Fix audio stream incorrectly not unlocking during
 unbind.

(This patch was from @0x1F9F1, thanks!)

Fixes #9379.
---
 src/audio/SDL_audio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 60fdde7043141..a2468e8c2c2f3 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -1903,7 +1903,7 @@ void SDL_UnbindAudioStreams(SDL_AudioStream **streams, int num_streams)
     // Finalize and unlock everything.
     for (int i = 0; i < num_streams; i++) {
         SDL_AudioStream *stream = streams[i];
-        if (stream && stream->bound_device) {
+        if (stream) {
             SDL_LogicalAudioDevice *logdev = stream->bound_device;
             stream->bound_device = NULL;
             SDL_UnlockMutex(stream->lock);