Merge branch 'marka-create_query-fix-REVERSE_INULL' into 'main'

Silence Coverity REVERSE_INULL report

Closes #2198

See merge request isc-projects/bind9!4234

lib/dns/zone.c

@@ -13458,9 +13458,7 @@ cleanup:
 	if (qrdataset != NULL) {
 		dns_message_puttemprdataset(message, &qrdataset);
 	}
-	if (message != NULL) {
-		dns_message_detach(&message);
-	}
+	dns_message_detach(&message);
 	return (result);
 }