Re-sync'ing pf rules in post command as we already did for ipfilter.
Re-sync'ing pf rules in post command as we already did for ipfilter.

With this patch, pf rules with dynamically created devices such like tun0
works without further intervention.

Reviewed by:	mlaier
MFC after:	3 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase