Fixed "void *ClangASTContext::CreatePointerType (void *clang_type);" to return...

Fixed "void *ClangASTContext::CreatePointerType (void *clang_type);" to return objective C pointers for clang::Type::TypeClass types that are "clang::Type::ObjCObject" and "clang::Type::ObjCInterface" .

llvm-svn: 109795