Removed unnecessary base class from some of objective-c classes:
ObjcProtocolDecl is now derived from ScopedDecl. ObjcForwardProtocolDecl from Decl.
ObjcImplementationDecl fom NamedDecl.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42756 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/clang.xcodeproj/project.pbxproj b/clang.xcodeproj/project.pbxproj
index 6ca61e7..8ef2cff 100644
--- a/clang.xcodeproj/project.pbxproj
+++ b/clang.xcodeproj/project.pbxproj
@@ -739,6 +739,7 @@
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
 			buildConfigurationList = 1DEB923508733DC60010E9CD /* Build configuration list for PBXProject "clang" */;
+			compatibilityVersion = "Xcode 2.4";
 			hasScannedForEncodings = 1;
 			mainGroup = 08FB7794FE84155DC02AAC07 /* clang */;
 			projectDirPath = "";