return 0 for client util window_get inlines if no pixmap available
return 0 for client util window_get inlines if no pixmap available

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