[gupnp] configure.ac: Generate xz tarballs format by default

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit e2e24b79a0abc8ad5474e01d3379aab3e076e928
Author: Javier JardÃn <jjardon gnome org>
Date:   Sat Jun 18 21:11:24 2011 +0100

    configure.ac: Generate xz tarballs format by default
    
    Generate xz tarballs with ustar format by default.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=652824

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d34aaae..302239a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,7 +10,7 @@ AC_CONFIG_SRCDIR([libgupnp/gupnp.h])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])
 
-AM_INIT_AUTOMAKE()
+AM_INIT_AUTOMAKE([1.11 tar-ustar no-dist-gzip dist-xz])
 AM_MAINTAINER_MODE([enable])
 
 AM_SILENT_RULES([yes])