ike-sa: Resolve hosts before reestablishing an IKE_SA

src/libcharon/sa/ike_sa.c

@@ -1655,6 +1655,8 @@ METHOD(ike_sa_t, reestablish, status_t,
 	new->set_other_host(new, host->clone(host));
 	host = this->my_host;
 	new->set_my_host(new, host->clone(host));
+	/* resolve hosts but use the old addresses above as fallback */
+	resolve_hosts((private_ike_sa_t*)new);
 	/* if we already have a virtual IP, we reuse it */
 	enumerator = array_create_enumerator(this->my_vips);
 	while (enumerator->enumerate(enumerator, &host))