Merge commit '4454bd5' into bfgminer

driver-bitforce.c

@@ -1580,6 +1580,7 @@ void bitforce_queue_flush(struct thr_info *thr)
 		work_list_del(&thr->work_list, thr->work_list->prev);
 	bitforce_set_queue_full(thr);
 	data->just_flushed = true;
+	data->want_to_send_queue = false;
 	
 	bitforce_queue_do_results(thr);
 }