String change in control-center

[Jens Granseuer <jensgr gmx net>]

Hey,

as requested in bug 337624 [1], we've changed the term
"accelerators" to "shortcut keys" in the Menus & Toolbars
capplet.

http://svn.gnome.org/viewcvs/gnome-control-center?rev=7266&view=rev

Cheers,
Jens

[1] http://bugzilla.gnome.org/show_bug.cgi?id=337624