update components/net/lwip_dhcpd/dhcp_server.c.

消除编译警告

update components/net/lwip_dhcpd/dhcp_server.c.
消除编译警告
745c7e0a · liuduanfei · Gitee · 08bcc566 · 745c7e0a
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components/net/lwip_dhcpd/dhcp_server.c components/net/lwip_dhcpd/dhcp_server.c +1 -1

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--- a/components/net/lwip_dhcpd/dhcp_server.c
+++ b/components/net/lwip_dhcpd/dhcp_server.c
@@ -306,7 +306,7 @@ static void dhcpd_thread_entry(void *parameter)
    while (1)
    {
        bytes_read = recvfrom(sock, recv_data, BUFSZ - 1, 0,
-                              (struct sockaddr *)&client_addr, &addr_len);
+                              (struct sockaddr *)&client_addr, (socklen_t*)&addr_len);
        if (bytes_read <= 0)
        {
            closesocket(sock);