fix crash in deskmirror with smart data being null
fix crash in deskmirror with smart data being null

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