Add quotation marks to template names in diagnostics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176474 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/TemplateName.cpp b/lib/AST/TemplateName.cpp
index f68dbda..8767c63 100644
--- a/lib/AST/TemplateName.cpp
+++ b/lib/AST/TemplateName.cpp
@@ -163,7 +163,9 @@
   LangOptions LO;
   LO.CPlusPlus = true;
   LO.Bool = true;
+  OS << '\'';
   N.print(OS, PrintingPolicy(LO));
+  OS << '\'';
   OS.flush();
   return DB << NameStr;
 }