Send stratifier deadproxy message if it's trying to send shares to it

src/generator.c

@@ -1351,6 +1351,7 @@ static void submit_share(gdata_t *gdata, json_t *val)
 	if (!proxi->alive) {
 		LOGNOTICE("Client %"PRId64" attempting to send shares to dead proxy %d:%d, dropping",
 			  client_id, id, subid);
+		send_stratifier_deadproxy(ckp, id, subid);
 		stratifier_reconnect_client(ckp, client_id);
 		return json_decref(val);
 	}