xz/sources

3aa7bbfaa2d5a87f65c23224b9016006  xz-4.999.9beta.20100401git.tar.bz2
9bad1e249537ce69b206815cf28ca87b  xz-5.1.2alpha.tar.gz
tarball format is now bz2 to allow bootstrapping (#714765) 2011-06-20 17:59:40 +00:00			`3aa7bbfaa2d5a87f65c23224b9016006 xz-4.999.9beta.20100401git.tar.bz2`
update to 5.1.2alpha 2012-07-05 14:29:29 +00:00			`9bad1e249537ce69b206815cf28ca87b xz-5.1.2alpha.tar.gz`