[SCM] libav/master: use xz tarballs

[siretart at users.alioth.debian.org]

The following commit has been merged in the master branch:
commit c31c3056e04bef4d329024e0857efb82fa8c275e
Author: Reinhard Tartler <siretart at tauware.de>
Date:   Sun Oct 14 15:58:22 2012 -0400

    use xz tarballs

diff --git a/debian/gbp.conf b/debian/gbp.conf
index 1615f89..189521b 100644
--- a/debian/gbp.conf
+++ b/debian/gbp.conf
@@ -4,3 +4,5 @@ debian-branch = master
 upstream-tag = upstream/%(version)s
 debian-tag = debian/%(version)s
 pristine-tar = True
+compression = xz
+

-- 
Libav/FFmpeg packaging