[network-manager-openvpn] build: create xz compressed tarballs by default

[Lubomir Rintel <lkundrak src gnome org>]

commit d9c224373fbba1c44b198bda8db6e85ea0572713
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Wed Aug 19 22:16:43 2015 +0200

    build: create xz compressed tarballs by default
    
    GNOME release tooling repacks the bz2 to a xz anyway. This makes it
    easier for packagers to use tarballs created with "make dist" in place of
    distribution tarballs.

 .gitignore   |    2 +-
 configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 66ec7fd..e6d1401 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,4 +35,4 @@ nm-openvpn.desktop
 src/nm-openvpn-service
 src/nm-openvpn-service-openvpn-helper
 properties/tests/test-import-export
-
+/NetworkManager-openvpn*.tar*
diff --git a/configure.ac b/configure.ac
index 37f85e4..f82f8ea 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ(2.52)
 
 AC_INIT(NetworkManager-openvpn, 1.1.0, dcbw redhat com, NetworkManager-openvpn)
-AM_INIT_AUTOMAKE([1.9 subdir-objects tar-ustar no-dist-gzip dist-bzip2])
+AM_INIT_AUTOMAKE([1.9 subdir-objects tar-ustar no-dist-gzip dist-xz])
 AM_MAINTAINER_MODE
 
 AC_CONFIG_MACRO_DIR([m4])