- Add OpenBSD example rulesets as advertised in etc/pf.conf and pf.conf(5)
- Tweak the pointer to fit the FreeBSD default location share/examples/pf
- Account for the new directory in BSD.usr.dist (no hier(7) change required
as share/examples is an opaque item there).
Obtained from: OpenBSD
Reminded by: Thomas T. Veldhouse
PR: docs/71691
MFC after: 2 days
