Fix r184381 so the test doesn't fail. Sorry for the inconvenience, I thought I had checked it.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184382 91177308-0d34-0410-b5e6-96231b3b80d8

test/SemaCXX/nested-name-spec.cpp

@@ -309,4 +309,4 @@ namespace N {
 }
 
 namespace TypedefNamespace { typedef int F; };
-TypedefNamespace::F::foo BadNNSWithCXXScopeSpec; // expected-error {{expected a class or namespace}}
+TypedefNamespace::F::NonexistentName BadNNSWithCXXScopeSpec; // expected-error {{expected a class or namespace}}