SDL: Fix NULL dereference in SDL_OpenAudio

SDL Commits
1 
From 39c2f9737308052027a5a2648c3ccfba1b890667 Mon Sep 17 00:00:00 2001
From: Mathieu Eyraud <[EMAIL REDACTED]>
Date: Mon, 18 Sep 2023 13:40:55 +0200
Subject: [PATCH] Fix NULL dereference in SDL_OpenAudio

---
 src/audio/SDL_audio.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 6dfd8b7de96c..4ea06839f0ac 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -1672,10 +1672,12 @@ SDL_AudioStream *SDL_OpenAudioDeviceStream(SDL_AudioDeviceID devid, const SDL_Au
 
     if (!stream) {
         SDL_CloseAudioDevice(logdevid);
-    } else if (SDL_BindAudioStream(logdevid, stream) == -1) {
+        return NULL;  // error string should already be set.
+    }
+    if (SDL_BindAudioStream(logdevid, stream) == -1) {
         SDL_DestroyAudioStream(stream);
         SDL_CloseAudioDevice(logdevid);
-        stream = NULL;
+        return NULL;  // error string should already be set.
     }
 
     logdev->simplified = SDL_TRUE;  // forbid further binding changes on this logical device.