Fixed a bug in AnnotatedLine::startsWith when there are comments in the line.
Fixed a bug in AnnotatedLine::startsWith when there are comments in the line.

Summary: When there are comments in the line, one token may be checked multiple times.

Reviewers: mprobst, djasper

Subscribers: ioeric, cfe-commits, klimek

Differential Revision: http://reviews.llvm.org/D19106

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@266803 91177308-0d34-0410-b5e6-96231b3b80d8

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