Fix grammar of diagnostic message.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167319 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/DiagnosticParseKinds.td b/include/clang/Basic/DiagnosticParseKinds.td
index 99932bc..59e979d 100644
--- a/include/clang/Basic/DiagnosticParseKinds.td
+++ b/include/clang/Basic/DiagnosticParseKinds.td
@@ -352,7 +352,7 @@
   "static_assert declarations are incompatible with C++98">,
   InGroup<CXX98Compat>, DefaultIgnore;
 def err_paren_after_colon_colon : Error<
-  "unexpected parentheses after '::'">;
+  "unexpected parenthesis after '::'">;
 
 /// Objective-C parser diagnostics
 def err_expected_minus_or_plus : Error<