Add support for the xz archive format

This simple patch adds support for the xz archive format to makepkg and repo-
add.
Xz can be used as source, package and package db file type.

Signed-off-by: Pierre Schmitz <pierre@archlinux.de>
[Dan: fixed a few alignment issues]
Signed-off-by: Dan McGee <dan@archlinux.org>

0 files changed, 0 insertions, 0 deletions