Avoid fallthrough in header, to allow external users of Clang libraries to build with Clang's -Wimplicit-fallthrough warning enabled. The fallthrough was not making this code better.
Avoid fallthrough in header, to allow external users of Clang libraries to
build with Clang's -Wimplicit-fallthrough warning enabled. The fallthrough
was not making this code better.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@183952 91177308-0d34-0410-b5e6-96231b3b80d8

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