ip6fw doesn't support -q if reading from a file so don't use ${fw6cmd} which may have a -q if ${ipv6_firewall_quiet} is set.
ip6fw doesn't support -q if reading from a file so don't use ${fw6cmd} which
may have a -q if ${ipv6_firewall_quiet} is set.

Reviewed by:	kris

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