Indicate that a collapsed thread has flagged children (#5013)

Aleksander Machniak

2016-05-04 344b0af9c6c2f6531504dbc8363faa54ce9c6440

 skins/classic/mail.css

@@ -746,6 +746,11 @@
  background-position: 0 -290px;
}

.messagelist tr.flaggedroot td.flag span
{
  background-position: 0 -136px;
}

.messagelist tr > .flag span.flagged
{
  background-position: 0 -153px;