ipfilter bug #554 Determining why a ipf rule matches is hard -- replace
ipfilter rule compare with new ipf_rule_compare() function.

Obtained from:	ipfilter CVS rep (r1.129)
ipfilter bug #538 ipf_p_dns_del should return void

Obtained from:	ipfilter cvs repo (r1.8)
ipfilter bug #534 destination list hashing not endian neutral

Obtained from:	ipfilter CVS repo (r1.26), NetBSD CVS repo (r1.8)
ipfilter bug #537 NAT rules with sticky have incorrect hostmap IP address.
This fixes when an IP address mapping is put in the hostmap table for
sticky NAT rules, it ends up having the wrong byte order.

Obtained from:	ipfilter CVS repo (r1.102), NetBSD CVS repo (r1.12)