CID 452570: Control flow issues in lib/dns/zone.c

Coverity Scan claims control flow issue in lib/dns/zone.c after !7805 (merged).

/lib/dns/zone.c: 15812 in notify_done()
15806     	goto done;
15807     
15808     fail:
15809     	dns_message_detach(&message);
15810     
15811     	if (result == ISC_R_SUCCESS) {
>>>     CID 452570:  Control flow issues  (DEADCODE)
>>>     Execution cannot reach this statement: "notify_log(notify->zone, -1...".
15812     		notify_log(notify->zone, ISC_LOG_INFO,
15813     			   "notify to %s successful", addrbuf);
15814     	} else if (result == ISC_R_SHUTTINGDOWN || result == ISC_R_CANCELED) {
15815     		goto done;
15816     	} else if ((notify->flags & DNS_NOTIFY_TCP) == 0) {
15817     		notify_log(notify->zone, ISC_LOG_NOTICE,