Add handling for FreeBSD in method zone_compare to avoid exception when /etc/localtime file does is absent.  This is valid configuration on FreeBSD and represents UTC.
Add handling for FreeBSD in method zone_compare to avoid exception when /etc/localtime file does is absent.  This is valid configuration on FreeBSD and represents UTC.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt