sockstat: struct xtcpcb size mismatch

[Josh Carroll]

> Thanks for the answer. And sorry, I can't understand what to do
> further. Is it by design and should stay so or should it be fixed?
>
> BTW, RELENG_7 behaves the same way. And "netstat -a" is broken:

Your world and kernel are out of sync. I would recommend a
buildworld/installworld and building a new kernel. That should do the
trick.

Josh