Security fix to tnftpd, to bring the version to 20130325.

Differences from previous 20100324 version:

Mon Mar 25 03:51:20 UTC 2013 lukem

* Fix incorrect use of test(1) in configure.

Fri Mar 22 09:00:00 UTC 2013 lukem

* Release as "tnftpd 20130322"

* Update build framekwork to autoconf 2.69, automake 1.11.1,
  libtool 2.4.2.

* Replace glob with newer copy from NetBSD that does not suffer
  from DoS exhaustion attacks.
  Fix in NetBSD from Maksymilian Arciemowicz.  See CVE-2010-2632

* Update to NetBSD-ftpd 20130321:
* Fix warnings and build issues
* Fix memcpy usage
* Fix remote crash (fix was already pulled up manually to
  tnftpd 20100324).  PR/43023 from Bruce Cran.
* Reduce priority of syslog message if getpeername returns
  ENOTCONN.  PR/18934 from Greg A Woods.

pkgsrc changes - use pkgsrc libtool and add LICENSE

(agc)