test: serv: die immediately (no sleep) if started with -c

We want to stress test Finit as much as possible.  We add a small log
though (which admittedly gives us a little bit of a delay) just to see
what happens when debugging failing tests.

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

test/common/serv.c

@@ -207,8 +207,10 @@ int main(int argc, char *argv[])
 			do_notify = atoi(sock);
 	}
 
-	if (do_crash)
+	if (do_crash) {
+		log("Simulating crash, exiting with code %d", EX_SOFTWARE);
 		exit(EX_SOFTWARE);
+	}
 
 	log("Entering while(1) loop");
 	while (running) {