[IRGen] Fix the MSVC2013 build

llvm-svn: 239576
diff --git a/clang/lib/CodeGen/CGLoopInfo.cpp b/clang/lib/CodeGen/CGLoopInfo.cpp
index 3254fb8..1163d63 100644
--- a/clang/lib/CodeGen/CGLoopInfo.cpp
+++ b/clang/lib/CodeGen/CGLoopInfo.cpp
@@ -78,7 +78,8 @@
   LoopID = createMetadata(Header->getContext(), Attrs);
 }
 
-void LoopInfoStack::push(BasicBlock *Header, ArrayRef<const Attr *> Attrs) {
+void LoopInfoStack::push(BasicBlock *Header,
+                         ArrayRef<const clang::Attr *> Attrs) {
   for (const auto *Attr : Attrs) {
     const LoopHintAttr *LH = dyn_cast<LoopHintAttr>(Attr);