[gnome-documents] build: use dist-xz and tar-ustar

[Cosimo Cecchi <cosimoc src gnome org>]

commit f4206e46db3909e283bf30dac310d4795df7b6e6
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Sep 26 10:29:03 2011 -0400

    build: use dist-xz and tar-ustar
    
    This is the GNOME standard now.

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 114085f..d599630 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,8 +11,8 @@ m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 AC_CANONICAL_TARGET
 
-# require automake 1.10
-AM_INIT_AUTOMAKE([1.10 dist-bzip2 no-dist-gzip foreign])
+# require automake 1.11
+AM_INIT_AUTOMAKE([1.11 dist-xz no-dist-gzip tar-ustar foreign])
 AM_MAINTAINER_MODE([enable])
 
 GETTEXT_PACKAGE=AC_PACKAGE_NAME