From e4312f8ab5794f6226a98f63c308bb4519f0b2b3 Mon Sep 17 00:00:00 2001
From: xueyunfei <xueyunfei@espressif.com>
Date: Wed, 27 Nov 2019 15:47:56 +0800
Subject: [PATCH] fix bug for random tcp close for 4.0

---
 components/lwip/lwip | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/lwip/lwip b/components/lwip/lwip
index c483f30ba2..31e24ae95a 160000
--- a/components/lwip/lwip
+++ b/components/lwip/lwip
@@ -1 +1 @@
-Subproject commit c483f30ba22ac3c56c113f2466c39e7d6f60ab89
+Subproject commit 31e24ae95a59e51d74f435f48fa21091b26c1430