Change cxx0x to cxx11 in diagnostic name.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186286 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index f9c7c4e..0ff32d9 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -389,7 +389,7 @@
         // parentheses so that the code remains well-formed in C++0x.
         if (!GreaterThanIsOperator && OpToken.is(tok::greatergreater))
           SuggestParentheses(OpToken.getLocation(),
-                             diag::warn_cxx0x_right_shift_in_template_arg,
+                             diag::warn_cxx11_right_shift_in_template_arg,
                          SourceRange(Actions.getExprRange(LHS.get()).getBegin(),
                                      Actions.getExprRange(RHS.get()).getEnd()));