Updated to latest version of Xcode

Xcode-iOS/SDL_mixer.xcodeproj/project.pbxproj

@@ -581,7 +581,7 @@
 		0867D690FE84028FC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0420;
+				LastUpgradeCheck = 0630;
 			};
 			buildConfigurationList = 00B7E497097EC6B300826121 /* Build configuration list for PBXProject "SDL_mixer" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -735,7 +735,6 @@
 		00B7E498097EC6B300826121 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					WAV_MUSIC,
@@ -765,7 +764,6 @@
 		00B7E499097EC6B300826121 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					WAV_MUSIC,
@@ -787,6 +785,7 @@
 				HEADER_SEARCH_PATHS_QUOTED_FOR_PROJECT_1 = "\"$(SRCROOT)/../../SDL/include\"";
 				HEADER_SEARCH_PATHS_QUOTED_FOR_PROJECT_2 = "\"$(SRCROOT)/../external/libmodplug-0.8.8.4/src\" \"$(SRCROOT)/../external/libmodplug-0.8.8.4/src/libmodplug\" \"$(SRCROOT)/../external/libvorbisidec-1.2.1\" \"$(SRCROOT)/../external/libogg-1.3.1/include\"";
 				IPHONEOS_DEPLOYMENT_TARGET = 3.0;
+				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};