SDL_mixer: music_fluidsynth.c (FLUIDSYNTH_Delete): free music->buffer to fix leak.

SDL Commits
1 
From 84aa9c612e2bf8083f377683c2744768d2a4ec0e Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 3 Apr 2021 17:33:40 +0300
Subject: [PATCH] music_fluidsynth.c (FLUIDSYNTH_Delete): free music->buffer to
 fix leak.

---
 src/codecs/music_fluidsynth.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/codecs/music_fluidsynth.c b/src/codecs/music_fluidsynth.c
index 0c77590..c4175ef 100644
--- a/src/codecs/music_fluidsynth.c
+++ b/src/codecs/music_fluidsynth.c
@@ -311,6 +311,7 @@ static void FLUIDSYNTH_Delete(void *context)
     if (music->stream) {
         SDL_FreeAudioStream(music->stream);
     }
+    SDL_free(music->buffer);
     SDL_free(music);
 }