Fix unused variable warning introduced at revision 328910.
Fix unused variable warning introduced at revision 328910.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@328968 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 7f273fa6df66a8dfbfa2170d5bd307d9f426fd1a)

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang