Ack in case of DESTROYPOD command

In case hyperstart receives a DESTROYPOD command on the CTL
channel, it does not send anything back to the channel and
return 0.
Because DESTROYPOD is a standard command, there is no reason
not to send an ACK after the DESTROYPOD is done.

Signed-off-by: Sebastien Boeuf <[email protected]>

src/init.c

@@ -1044,7 +1044,7 @@ static int hyper_channel_handle(struct hyper_event *de, uint32_t len)
 		pod->req_destroy = 1;
 		fprintf(stdout, "get DESTROYPOD message\n");
 		hyper_destroy_pod(pod, 0);
-		return 0;
+		break;
 	case EXECCMD:
 		ret = hyper_exec_cmd((char *)buf->data + 8, len - 8);
 		break;