Change new block detection message since longpoll is rarely relevant today.

sgminer.c

@@ -3947,7 +3947,7 @@ static bool test_work_current(struct work *work)
 				       work->gbt ? "GBT " : "", work->pool->poolname);
 			}
 		} else if (have_longpoll)
-			applog(LOG_NOTICE, "New block detected on network before longpoll");
+			applog(LOG_NOTICE, "New block detected on network before pool notification");
 		else
 			applog(LOG_NOTICE, "New block detected on network");
 		restart_threads();