Fix MSVC bots which include '__attribute__((thiscall))' in pretty-printed member function types.
Fix MSVC bots which include '__attribute__((thiscall))' in pretty-printed member function types.

We really shouldn't be including inferred calling conventions here, but let's get the bots green first...


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@311746 91177308-0d34-0410-b5e6-96231b3b80d8

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