Import src/sys/sys/hash.h from OpenBSD/NetBSD

[Dag-Erling Smørgrav]

Andre Oppermann <andre at freebsd.org> writes:
> Florent Thoumie <flz at xbsd.org> writes:
> > FYI (if you're not reading -ports or -net), I just sent a prototype for
> > the openospfd port.
> Cool, thanks!  I'm happy if you maintain the port as I've never done a port
> before.

IMHO, Open{BGP,OSPF}D belong in src/contrib, not in ports/net.

DES
-- 
Dag-Erling Smørgrav - des at des.no