Summary: - I noticed that wget causes ASSERT in gs2200m_main.c recently. - Finally, I found that it sends a wrong ack message in recvfrom_request() when the socket is closed passively - This commit fixes this issue. Impact: - gs2200m only Testing: - Tested with spresense:wifi_smp Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>