Correct typo in 'drawing text and images' section

gameplay/gameplay.xcodeproj/project.pbxproj

@@ -2890,7 +2890,7 @@
 		4234D98C14686BB6003031B3 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0430;
+				LastUpgradeCheck = 0440;
 			};
 			buildConfigurationList = 4234D98F14686BB6003031B3 /* Build configuration list for PBXProject "gameplay" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -3454,6 +3454,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
 				FRAMEWORK_SEARCH_PATHS = "$(inherited)";
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -3504,6 +3505,7 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				FRAMEWORK_SEARCH_PATHS = "$(inherited)";