[gtkglarea] configure.ac: generate xz tarball instead gz one

[Javier Jardón <jjardon src gnome org>]

commit d17d205d9faa3d3494c2b08500091ed5abd39a2e
Author: Javier Jardón <jjardon gnome org>
Date:   Thu Feb 27 02:43:55 2014 +0000

    configure.ac: generate xz tarball instead gz one
    
    Its what its used in GNOME servers nowadays

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6cdb0c9..d81e3d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,7 +5,7 @@ AC_CONFIG_AUX_DIR(.auto)
 AC_CONFIG_HEADER(config.h)
 AC_CONFIG_MACRO_DIR([m4])
 
-AM_INIT_AUTOMAKE([1.11 no-define])
+AM_INIT_AUTOMAKE([1.11 no-define no-dist-gzip dist-xz])
 AM_MAINTAINER_MODE([enable])
 # Support silent build rules, requires at least automake 1.11. Disable
 # by either passing --disable-silent-rules to configure or passing V=1