remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports
them into the clang namespace.

llvm-svn: 135852
diff --git a/clang/lib/Basic/VersionTuple.cpp b/clang/lib/Basic/VersionTuple.cpp
index d5cf126..77aad39 100644
--- a/clang/lib/Basic/VersionTuple.cpp
+++ b/clang/lib/Basic/VersionTuple.cpp
@@ -25,7 +25,7 @@
   return Result;
 }
 
-llvm::raw_ostream& clang::operator<<(llvm::raw_ostream &Out, 
+raw_ostream& clang::operator<<(raw_ostream &Out, 
                                      const VersionTuple &V) {
   Out << V.getMajor();
   if (llvm::Optional<unsigned> Minor = V.getMinor())