music_mpg123.c: disable _FILE_OFFSET_BITS suffixes on libmpg123 calls.

Avoids libmpg123's terrifying mess. Useful if mpg123_shared is disabled
and if SDL_mixer is built with _FILE_OFFSET_BITS=64.

(cherry picked from commit 72a7333)

Author: sezero

src/codecs/music_mpg123.c

@@ -30,6 +30,7 @@
 #include "mp3utils.h"
 
 #include <stdio.h>      /* For SEEK_SET */
+#define MPG123_NO_LARGENAME /* disable the _FILE_OFFSET_BITS suffixes. */
 #ifdef MPG123_HEADER
 #include MPG123_HEADER
 #else