allow wide strings to initialize arrays compatible with wchar_t.   Unfortunately this doesn't work yet because wchar_t is completely broken in C.
allow wide strings to initialize arrays compatible with wchar_t.  
Unfortunately this doesn't work yet because wchar_t is completely
broken in C.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@65585 91177308-0d34-0410-b5e6-96231b3b80d8

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