[analyzer] Try to fix coverity CID 1360469.
[analyzer] Try to fix coverity CID 1360469.

Patch by Raphael Isemann!


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@278110 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang