cvs id cleanup in sys/dev/netif

[justin at shiningsilence.com]

> Hi All,
>
> After looking at some code in netif directory I noticed there was
> large number of messed up cvs ids (duplicate $FreeBSD ids, $NetBSD ids
> before the license, tab indented ids, etc). In order words, big
> difference from what style(9) says.
>
> I can clean it up, and Liam has offered to commit it. So I'm waiting for
> something like "Yes, please do" reply before I start.

"Yes, please do".

Other than with 3rd-party code, I can't think of why one wouldn't want
style(9) cleanups.