Fixes a breakage in dejagnu++ test suite where it included
<objc/Protocol.h>. Caused by my recent changes for 
various builtin declarations of objc_msgSendSuper
variety. // rdar://12489098


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171638 91177308-0d34-0410-b5e6-96231b3b80d8