ports/163463: [UPDATE] x11-wm/xfce4-wm to 4.8.3

[miwi at FreeBSD.org]

Synopsis: [UPDATE] x11-wm/xfce4-wm to 4.8.3

Responsible-Changed-From-To: freebsd-xfce->miwi
Responsible-Changed-By: miwi
Responsible-Changed-When: Tue Dec 20 14:07:02 UTC 2011
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=163463