add blank lines to make updatemons() more readable

dwl.c

@@ -2459,9 +2459,12 @@ updatemons(struct wl_listener *listener, void *data)
 		if (m->wlr_output->enabled
 				&& !wlr_output_layout_get(output_layout, m->wlr_output))
 			wlr_output_layout_add_auto(output_layout, m->wlr_output);
+
 	/* Now that we update the output layout we can get its box */
 	wlr_output_layout_get_box(output_layout, NULL, &sgeom);
+
 	wlr_scene_rect_set_size(locked_bg, sgeom.width, sgeom.height);
+
 	wl_list_for_each(m, &mons, link) {
 		if (!m->wlr_output->enabled)
 			continue;