Fix idle bug, when redirected client can't auth
diff --git a/util.c b/util.c
index 65692f2..a710204 100644
--- a/util.c
+++ b/util.c
@@ -2025,6 +2025,8 @@ bool auth_stratum(struct pool *pool)
applog(LOG_INFO, "pool %d JSON stratum auth failed: %s", pool->pool_no, ss);
free(ss);
+ suspend_stratum(pool);
+
goto out;
}