Correctly determine if the @property has been previously declared.  If
a property has the same name as the ivar it wraps then the old logic
wouldn't find the previous property declaration.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98559 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed