Update miniupnpd to 1.6.20120320.
per PR 46236 by David Howland.
while here, set LICENSE=modified-bsd.

2012/03/19:
  Fix ipfilter support (thanks dhowland https://github.com/dhowland)

2012/03/14:
  Changes to miniupnpd.init.d.script by Shawn Landden

2012/03/05:
  fixed reload_from_lease_file().

2012/02/15:
  Change parselanaddr() function to allow 192.168.1.1/255.255.255.0 in
    configuration file.
  Change read_permission_line() to allow 192.168.1.1/255.255.255.0 in
    permission line (in configuration file).

2012/02/12:
  More syntax checks in upnppermissions.c

2012/02/11:
  Fix ipfw/Mac OS X specific source files to compile ok with -ansi flag

2012/02/09:
  Make HTTP listen socket non blocking (so accept() can't block)
  Make SSDP receive sockets non blocking
  use sockaddr_to_string() in SendSSDPAnnonce2 to handle IPv6 addresses

2012/02/06:
  Make HTTP (SOAP) sockets non blocking.

2012/02/05:
  Compile ok with -ansi flag.
  Save a few bytes in options.c using a string repository, instead of a fixed size
    buffer for each option value.

2012/02/04:
  Added friendly_name= option to config file

2012/02/03:
  Anchor name (PF) is now configurable through the config file with anchor=
  Added test of presence of /lib/libip4tc.so and /lib/libip6tc.so files in
    Makefile.linux in order to add -lip4tc and -lip6tc to LIBS accordingly.

2012/02/01:
  always handle EAGAIN, EWOULDBLOCK and EINTR after recv()/recvfrom() calls

2012/01/20:
  Always #include <netinet/in.h> before #include <arpa/inet.h> (for OpenBSD)
  .onrdomain field was added in pf with OpenBSD 5.0. Add PFRULE_HAS_ONRDOMAIN

2012/01/02:
  Fixing netfilter/iptables_*.sh scripts for new ifconfig output format.
  getifaddr.c: added additional checks on structure returned by getifaddrs()
  Fixing Mac OS X makefile for installation

2011/11/18:
  avoid infinite loop in SendResp_upnphttp() in case of error
  Replaced SendResp_upnphttp() + CloseSocket_upnphttp() by
    SendRespAndClose_upnphttp()
  Tomato specifics in genconfig.sh

2011/07/30:
  netfilter : Added a tiny_nf_nat.h file to compile with iptables
    installed headers.
    include xtables.h instead of iptables.h

VERSION 1.6 : released the 2011/07/25

A lot of work on IPv6 support and IGDv2. Support of lease duration, etc.

VERSION 1.5 : released the 2011/01/01

bugfixed and is now compatible with OpenBSD >= 4.7. It includes preliminary support for the version 2 of the UPnP Internet Gateway specification.

(obache)