XFCE 4.8.0 logs out instead of shutting down

[michal.s at free-media.eu]

> This most probably means you have xfdesktop 4.8.0. Updating to the
> latest version should fix this issue.

Agree. Xubuntu 11.04 has this problem. Updating Xfce to latest version is
not so simple for typical Xubuntu user. There is no latest Xfce in official
repsoitories nor in PPA. Few days ago I had to build Thunar from sources to
patch gvfs problem. Maybe there is someone willing maintain Xubuntu PPA?