Change the diagnostics which said 'accepted as an extension' to instead say
'is an extension'. The former is inappropriate and confusing when building with
-Werror/-pedantic-errors.

llvm-svn: 147357
diff --git a/clang/test/SemaTemplate/class-template-spec.cpp b/clang/test/SemaTemplate/class-template-spec.cpp
index 8213a72..f9015b3 100644
--- a/clang/test/SemaTemplate/class-template-spec.cpp
+++ b/clang/test/SemaTemplate/class-template-spec.cpp
@@ -86,7 +86,7 @@
 
 template<> struct N::B<int> { }; // okay
 
-template<> struct N::B<float> { }; // expected-warning{{originally}}
+template<> struct N::B<float> { }; // expected-warning{{C++11 extension}}
 
 namespace M {
   template<> struct ::N::B<short> { }; // expected-error{{class template specialization of 'B' not in a namespace enclosing 'N'}}