Remove useless 'llvm::' qualifier from names like StringRef and others that are
brought into 'clang' namespace by clang/Basic/LLVM.h

llvm-svn: 172323
diff --git a/clang/lib/Serialization/ASTReaderInternals.h b/clang/lib/Serialization/ASTReaderInternals.h
index 9f3f1a4..8e07284 100644
--- a/clang/lib/Serialization/ASTReaderInternals.h
+++ b/clang/lib/Serialization/ASTReaderInternals.h
@@ -143,8 +143,8 @@
 public:
   struct data_type {
     SelectorID ID;
-    llvm::SmallVector<ObjCMethodDecl *, 2> Instance;
-    llvm::SmallVector<ObjCMethodDecl *, 2> Factory;
+    SmallVector<ObjCMethodDecl *, 2> Instance;
+    SmallVector<ObjCMethodDecl *, 2> Factory;
   };
   
   typedef Selector external_key_type;