Correct an example of a feature name to actually use a feature name rather than an attribute name. Patch by Michel Morin!
Correct an example of a feature name to actually use a feature name rather
than an attribute name. Patch by Michel Morin!


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@151791 91177308-0d34-0410-b5e6-96231b3b80d8

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