Don't give pool slow warning if it is the donation pool.
diff --git a/main.c b/main.c
index 8c4bfdb..ad1bd27 100644
--- a/main.c
+++ b/main.c
@@ -3954,7 +3954,7 @@ static bool pool_active(struct pool *pool, bool pinging)
} else {
applog(LOG_DEBUG, "FAILED to retrieve work from pool %u %s",
pool->pool_no, pool->rpc_url);
- if (!pinging)
+ if (!pinging && pool != &donationpool)
applog(LOG_WARNING, "Pool %u slow/down or URL or credentials invalid", pool->pool_no);
}