Log Message:
Update gnome-system-monitor to 2.26.0.1.

New in 2.26.1 - 16 Mars 2009
* Updated translations.

New in 2.26.0 - 2 Mars 2009
* Fixed potential segfault with broken icon themes (#573030).

New in 2.25.91 - 16 February 2009
* A few bugfixes.
* Faster startup (spaws lsb_release only when needed).