[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit 607237df81c9896743f9b2cb91faab01e4d1c3fc
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Apr 23 13:28:55 2021 -0400

    building: fix NetBSD
    
    - update kernel_bsdkame.c to use current ip* code
    - wrap linuxisms in iface_tcp.c in #if defined(linux)