SDL_mixer: Updated max channels to 8 (for 7.1 surround sound)

SDL Commits
1 
From 732e965780aea4ca1ff94e0cfbf0539130ebbf56 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 21 May 2022 13:46:32 -0700
Subject: [PATCH] Updated max channels to 8 (for 7.1 surround sound)

This is the maximum number of channels SDL currently supports.
---
 src/codecs/music_ogg_stb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/codecs/music_ogg_stb.c b/src/codecs/music_ogg_stb.c
index 55dcf52e..c975d313 100644
--- a/src/codecs/music_ogg_stb.c
+++ b/src/codecs/music_ogg_stb.c
@@ -31,7 +31,7 @@
 #define STB_VORBIS_NO_STDIO 1
 #define STB_VORBIS_NO_CRT 1
 #define STB_VORBIS_NO_PUSHDATA_API 1
-#define STB_VORBIS_MAX_CHANNELS 6
+#define STB_VORBIS_MAX_CHANNELS 8   /* For 7.1 surround sound */
 #define STB_FORCEINLINE SDL_FORCE_INLINE
 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
 #define STB_VORBIS_BIG_ENDIAN 1