Fix my previous netconn_do_listen changes in lwip_netconn_do_listen

src/api/api_msg.c

@@ -1288,7 +1288,7 @@ lwip_netconn_do_listen(struct api_msg_msg *msg)
             /* "Socket API like" dual-stack support: If IP to listen to is IP6_ADDR_ANY,
              * and NETCONN_FLAG_IPV6_V6ONLY is NOT set, use IP_ANY_TYPE to listen
              */
-            if (ip_addr_cmp(API_EXPR_REF(msg->msg.bc.ipaddr), IP6_ADDR_ANY) &&
+            if (ip_addr_cmp(&msg->conn->pcb.ip->local_ip, IP6_ADDR_ANY) &&
                 ((msg->conn->flags & NETCONN_FLAG_IPV6_V6ONLY) == 0)) {
               /* change PCB type to IPADDR_TYPE_ANY */
               IP_SET_TYPE_VAL(msg->conn->pcb.tcp->local_ip,  IPADDR_TYPE_ANY);