Fix test on Windows.
Fix test on Windows.

This test checks the entire output of a help option, the problem
is that on Windows, the line break occurs in a different place
causing the CHECK to fail because it is not expecting a line break.



git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@346070 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang