Add info about which pool share became stale while resubmitting.
diff --git a/cgminer.c b/cgminer.c
index 85abbb5..ee948cf 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -3305,7 +3305,7 @@ static void *submit_work_thread(void *userdata)
while (!submit_upstream_work(work, ce->curl, resubmit)) {
resubmit = true;
if (stale_work(work, true)) {
- applog(LOG_NOTICE, "Share became stale while retrying submit, discarding");
+ applog(LOG_NOTICE, "Pool %d share became stale while retrying submit, discarding", work->pool->pool_no);
total_stale++;
pool->stale_shares++;
total_diff_stale += work->work_difficulty;