Merge branch 'bugfix/ipv6_send_multicast_data_fail' into 'master'

donghengqaz · donghengqaz · commit c972cccf69a1 · 2020-09-18T16:53:43.000+08:00
fix(ipv6): fix ipv6 send multicast data fail when src address is null

See merge request sdk/ESP8266_RTOS_SDK!1533
diff --git a/components/lwip/lwip b/components/lwip/lwip
@@ -1 +1 @@
-Subproject commit de3e942f4b9e50b82640dc1e2dd5a32d86231a79
+Subproject commit 4fd84abace0cd8a5a709c194fa54afb3cd39b3f7
