Update socketd example project

Guo Wenxue

2023-09-08 29b331b4375c1e07fee0e943ec90c3a855b6d428

 project/socketd/sock_client.c

File was renamed from project/socketd/client.c
@@ -102,6 +102,7 @@

cleanup:
    log_close();
    unlink(DAEMON_PIDFILE);

    return 0;
}