service_stop(): Also stop any pending restart timers

In service_stop() we call svc_del() which, as of Finit v3.1, free():s
the svc_t, so we don't want any lingering restart timers to wake up
after free() and start dereferencing the svc_t.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/service.c

@@ -429,8 +429,9 @@ static int service_stop(svc_t *svc)
 		if (do_progress)
 			print_result(0);
 		return 0;
-	}
+	} else
 #endif
+	service_timeout_cancel(svc);
 
 	if (svc->pid <= 1) {
 		_d("Bad PID %d for %s, SIGTERM", svc->pid, svc->cmd);