Fix build under GNU/kFreeBSD.
Fix build under GNU/kFreeBSD.
Fix build under GNU/kFreeBSD.

* host_os in configure script is something wrong
  (gnukfreebsd, not kfreebsd*-gnu).
Fix build under GNU/kFreeBSD.

* Add variable for GNU/kFreeBSD.
Bump PKGREVISION.

* For DragonFly, use its own condition.
* Add Debian GNU/kFreeBSD support.
Updated security/openssl to 1.0.1enb2
Fix build under GNU/kFreeBSD.
logrotate-3.8.5 [pkg/48073], nagios-3.5.0 [pkg/48082]
Fix build on Cygwin.

__dev32_t is removed since 1.7.19 of cygwin.
Like http://mail-index.netbsd.org/source-changes/2013/06/14/msg044776.html .
Fix build under GNU/kFreeBSD/amd64.
Fix build under Cygwin.
Fix build under Cygwin.

* Restore -no-undefined.
Fix build on Cygwin64.

* Patches borrowed from cygwin64's libffi-3.0.13-1-src.tar.bz2.
Cygwin64 1.7.22's gcc 4.8.1 does not accept -no-undefined.
Restrict to use with libtool only.