Re-enable GME support in OS X

platform/macosx/love-framework.xcodeproj/project.pbxproj

@@ -1939,6 +1939,7 @@
 				DEAD_CODE_STRIPPING = YES;
 				FRAMEWORK_SEARCH_PATHS = /Library/Frameworks;
 				GCC_OPTIMIZATION_LEVEL = s;
+				GCC_PREPROCESSOR_DEFINITIONS = LOVE_SUPPORT_GME;
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
@@ -1965,6 +1966,7 @@
 				COPY_PHASE_STRIP = NO;
 				FRAMEWORK_SEARCH_PATHS = /Library/Frameworks;
 				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = LOVE_SUPPORT_GME;
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;