make the 'to match this' diagnostic a note.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59921 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index 21b3dac..a379eec 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -271,7 +271,7 @@
       
       if (Tok.isNot(tok::colon)) {
         Diag(Tok, diag::err_expected_colon);
-        Diag(OpToken, diag::err_matching) << "?";
+        Diag(OpToken, diag::note_matching) << "?";
         Actions.DeleteExpr(LHS.Val);
         Actions.DeleteExpr(TernaryMiddle.Val);
         return ExprResult(true);