fix typos; NFC
fix typos; NFC

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@260130 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit c5e1c3732f3238dea9725fb8071e693c97ba945d)

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