Fix a missing "ok=true" in the ZFS list_pools API call.
Fix a missing "ok=true" in the ZFS list_pools API call.

pcbsd/sysadm,c3d2/sysadm,pcbsd/sysadm,c3d2/sysadm,pcbsd/sysadm,pcbsd/sysadm,pcbsd/sysadm,c3d2/sysadm,c3d2/sysadm