Set MOZ_ALSA=1 if alsa is to be used.
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
Note security fix for net/tnftpd-20130325