Gajim is marking the 30th of May 2011 (future date) as if there is a chat/history log
Bug description
Today it is the 5th day of May 2011 and the 30th day of May is marked (bold font) as if a discussion has occurred there in the past.
It was the same at the 1st day of May, too: Sunday, May 1, 2011.
P.S. There are no writings at the 30th of May 2011.
Steps to reproduce
I don't know how to reproduce. The channel & transport are
zenwalk%irc.freenode.org@irc.jabberes.org
Software versions
OS version: Salix OS 13.1.2 (Slackware 13.1.0 based)
GTK version: 2.18.9
PyGTK version: 2.16.0