Added decoders to the Xcode project

Author: slouken

Xcode/SDL_mixer.xcodeproj/project.pbxproj

@@ -638,11 +638,10 @@
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREPROCESSOR_DEFINITIONS = (
-					MUSIC_FLAC_DRFLAC,
-					MUSIC_MP3_DRMP3,
-					MUSIC_OGG,
-					OGG_USE_STB,
-					MUSIC_WAV,
+					DECODER_FLAC_DRFLAC,
+					DECODER_MP3_DRMP3,
+					DECODER_OGGVORBIS_STB,
+					DECODER_WAV,
 					"$(CONFIG_PREPROCESSOR_DEFINITIONS)",
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
@@ -687,11 +686,10 @@
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
-					MUSIC_FLAC_DRFLAC,
-					MUSIC_MP3_DRMP3,
-					MUSIC_OGG,
-					OGG_USE_STB,
-					MUSIC_WAV,
+					DECODER_FLAC_DRFLAC,
+					DECODER_MP3_DRMP3,
+					DECODER_OGGVORBIS_STB,
+					DECODER_WAV,
 					"$(CONFIG_PREPROCESSOR_DEFINITIONS)",
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;