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/Index/ASTLocation.cpp b/clang/lib/Index/ASTLocation.cpp
index bd3b5ee..8ea49c1 100644
--- a/clang/lib/Index/ASTLocation.cpp
+++ b/clang/lib/Index/ASTLocation.cpp
@@ -75,7 +75,7 @@
   return SourceRange();
 }
 
-void ASTLocation::print(llvm::raw_ostream &OS) const {
+void ASTLocation::print(raw_ostream &OS) const {
   if (isInvalid()) {
     OS << "<< Invalid ASTLocation >>\n";
     return;