Remove ZFS from the search list. ZFS is not available on RELENG_6.
Remove ZFS from the search list. ZFS is not available on
RELENG_6.

Noticed by:	rink

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