VLCKit: enable ARC support in project

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

VLCKit.xcodeproj/project.pbxproj

@@ -851,6 +851,8 @@
 		1DEB91AE08733DA50010E9CD /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_OBJC_IMPLICIT_ATOMIC_PROPERTIES = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
 				DEFINES_MODULE = YES;
@@ -862,7 +864,6 @@
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = VLC_Prefix.pch;
-				GCC_VERSION = "";
 				HEADER_SEARCH_PATHS = (
 					"$(VLC_SRC_DIR)/include",
 					"Headers/**",
@@ -888,6 +889,8 @@
 		1DEB91AF08733DA50010E9CD /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_OBJC_IMPLICIT_ATOMIC_PROPERTIES = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -897,7 +900,6 @@
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = VLC_Prefix.pch;
-				GCC_VERSION = "";
 				HEADER_SEARCH_PATHS = (
 					"$(VLC_SRC_DIR)/include",
 					"Headers/**",
@@ -931,7 +933,7 @@
 				GCC_VERSION = "";
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
 				VALID_ARCHS = "i386 x86_64";
@@ -951,7 +953,7 @@
 				GCC_VERSION = "";
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = NO;
 				SDKROOT = macosx;
 				VALID_ARCHS = "i386 x86_64";