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/Rewrite/HTMLRewrite.cpp b/clang/lib/Rewrite/HTMLRewrite.cpp
index 0b54755..be75f97 100644
--- a/clang/lib/Rewrite/HTMLRewrite.cpp
+++ b/clang/lib/Rewrite/HTMLRewrite.cpp
@@ -140,10 +140,10 @@
       unsigned NumSpaces = 8-(ColNo&7);
       if (EscapeSpaces)
         RB.ReplaceText(FilePos, 1,
-                       llvm::StringRef("     "
+                       StringRef("     "
                                        "   ", 6*NumSpaces));
       else
-        RB.ReplaceText(FilePos, 1, llvm::StringRef("        ", NumSpaces));
+        RB.ReplaceText(FilePos, 1, StringRef("        ", NumSpaces));
       ColNo += NumSpaces;
       break;
     }