Workaround for SSZipArchive not overriding -init

/Users/phatblat/dev/libgit2/objective-git/Carthage/Checkouts/ZipArchive/SSZipArchive/SSZipArchive.m:22:17: Method override for the designated initializer of the superclass '-init' not found

Author: phatblat

Diff for: ObjectiveGitFramework.xcodeproj/project.pbxproj

@@ -2206,10 +2206,10 @@
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
-					"DEBUG=1",
 					"$(inherited)",
 					"NOCRYPT=1",
 					"NOUNCRYPT=1",
+					"NS_ENFORCE_NSOBJECT_DESIGNATED_INITIALIZER=0",
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;