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/ParseStmt.cpp b/lib/Parse/ParseStmt.cpp
index 221ad90..7006241 100644
--- a/lib/Parse/ParseStmt.cpp
+++ b/lib/Parse/ParseStmt.cpp
@@ -733,7 +733,7 @@
     ExitScope();
     if (!Body.isInvalid) {
       Diag(Tok, diag::err_expected_while);
-      Diag(DoLoc, diag::err_matching) << "do";
+      Diag(DoLoc, diag::note_matching) << "do";
       SkipUntil(tok::semi, false, true);
     }
     return true;