Fix segfault if gadget has no zone.
Fix segfault if gadget has no zone.



SVN revision: 49163

FlorentRevest/Enlightenment,tasn/enlightenment,tasn/enlightenment,rvandegrift/e,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,rvandegrift/e,rvandegrift/e,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,tizenorg/platform.upstream.enlightenment