mqtt: remove dead store
@@ -1208,7 +1208,6 @@ static int mqtt_socket_connect( lua_State* L )
lua_pushvalue(L, stack); // copy argument (func) to the top of stack
luaL_unref(L, LUA_REGISTRYINDEX, mud->cb_connect_fail_ref);
mud->cb_connect_fail_ref = luaL_ref(L, LUA_REGISTRYINDEX);
- stack++;
}
lua_pushvalue(L, 1); // copy userdata to the top of stack
