From e2dd98ba10a94ff3a03a3801841b2d068fe48db7 Mon Sep 17 00:00:00 2001
From: kvakanet <kvakanet@users.noreply.github.com>
Date: Tue, 20 Oct 2015 13:02:06 +0500
Subject: [PATCH] Update mqtt.c fix for #679

Patch for  "mqtt LWT qos and retain parameters are parsed incorrectly #679"
---
 app/modules/mqtt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/modules/mqtt.c b/app/modules/mqtt.c
index 1db350af..55ce124c 100644
--- a/app/modules/mqtt.c
+++ b/app/modules/mqtt.c
@@ -1334,7 +1334,7 @@ static int mqtt_socket_lwt( lua_State* L )
   {
     return luaL_error( L, "need lwt message");
   }
-
+  stack++;
   if(mud->connect_info.will_topic){    // free the previous one if there is any
     c_free(mud->connect_info.will_topic);
     mud->connect_info.will_topic = NULL;