miniupnpd/pcpserver.c: add PCP support for CHECK_PORTINUSE
miniupnpd/portinuse.c: add FreeBSD support for CHECK_PORTINUSE
miniupnpd/portinuse.c: whitespace cleanup
miniupnpd/portinuse.c: minor cosmetic changes
Merge pull request #65 from razzfazz/pcp_portinuse

miniupnpd/pcpserver.c: add PCP support for CHECK_PORTINUSE
miniupnpd/natpmp.c: Remove pointer casting, avoid possibility of unaligned memory access
miniupnpd/netfilter/iptables_*.sh: less usage of deprecated net-tools. Use iproute2 instead.
Merge pull request #67 from TrueBers/master

Less usage of deprecated net-tools. Use iproute2 instead.
miniupnpd/Makefile: link testportinuse with $LIBS
miniupnpd/pf/obsdrdr.c: check that USE_PF is defined

also fix a warning