This bug was fixed in the package appmenu-gtk - 0.3.92-0ubuntu2
--------------- appmenu-gtk (0.3.92-0ubuntu2) quantal; urgency=low
* Backport upstream fix to avoid warnings with the new GTK (lp: #1026160) -- Sebastien Bacher <email address hidden> Wed, 18 Jul 2012 19:38:58 +0200
This bug was fixed in the package appmenu-gtk - 0.3.92-0ubuntu2
---------------
appmenu-gtk (0.3.92-0ubuntu2) quantal; urgency=low
* Backport upstream fix to avoid warnings with the new GTK (lp: #1026160)
-- Sebastien Bacher <email address hidden> Wed, 18 Jul 2012 19:38:58 +0200