swaybar: remove block links upon exit

swaybar/status_line.c

@@ -127,13 +127,15 @@ void status_line_free(struct status_line *status) {
 	close(status->write_fd);
 	kill(status->pid, SIGTERM);
 	switch (status->protocol) {
-	case PROTOCOL_I3BAR:;
+	case PROTOCOL_I3BAR: {
 		struct i3bar_block *block, *tmp;
 		wl_list_for_each_safe(block, tmp, &status->blocks, link) {
+			wl_list_remove(&block->link);
 			i3bar_block_unref(block);
 		}
 		free(status->i3bar_state.buffer);
 		break;
+	}
 	default:
 		free(status->text_state.buffer);
 		break;