Fix a segv If there are no gadget on the desk and you press  'ok' or 'apply' in the gadman config.
Fix a segv If there are no gadget on the desk and you press  'ok' or 'apply' in the gadman config.


SVN revision: 35315

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