Use $ipsec_file instead of hardcoded /etc/ipsec.conf.
Use $ipsec_file instead of hardcoded /etc/ipsec.conf.

This change should be made in rev1.2.

MFC after:	1 week

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