value from a packet not work right (only one of them needs ntoh!).
Fixes a bug reported by David Brownlee, and which has been present
in NetAtalk from the Sun 4 port (and thus FreeBSD and OpenBSD too).
from toccata.fugue.com. Ported to netbsd by Bill Studenmund.
Changes:
- KNF
- remove endian.h
- adapt to the new arp code.
- fix small biff's with spl/splx.