[MS-ABI] Lit fix for r205810 On linux strings have different linkage than on windows.  This  patch makes the lit test more general.
[MS-ABI] Lit fix for r205810
On linux strings have different linkage than on windows.  This 
patch makes the lit test more general.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@205812 91177308-0d34-0410-b5e6-96231b3b80d8

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