When tearing down IPsec as part of a (virtual) network stack, do not try to free the same list twice but free both the acquiring list and the security policy acquiring list.
When tearing down IPsec as part of a (virtual) network stack,
do not try to free the same list twice but free both the
acquiring list and the security policy acquiring list.

Reviewed by:	anchie
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