Minor code formatting cleanup. NFC.
Minor code formatting cleanup. NFC.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@259010 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 7c63a3a8e23e139675986842465759eb5af78031)

apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm