Ticket 48797 - Add freebsd support to ns-slapd: main
Fix Description: This patch adds the final component of support to allow
operation on freebsd. This includes the disk monitoring code, heimdal kerberos
changes and correction of an ldbm error code.
https://fedorahosted.org/389/ticket/48797
Author: wibrown
Review by: nhosoi, lslebodn (thanks!)