[libsecret] build: Use xz-compressed archive tarball

[Daiki Ueno <dueno src gnome org>]

commit a89385fd606d67169a7d3e5ac670d53e98b97fa9
Author: Daiki Ueno <dueno src gnome org>
Date:   Thu Mar 29 11:28:57 2018 +0200

    build: Use xz-compressed archive tarball

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ed09eb0..243abb6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,7 +46,7 @@ SECRET_AGE=0
 
 AC_CONFIG_MACRO_DIR([build/m4])
 AC_CONFIG_AUX_DIR([build])
-AM_INIT_AUTOMAKE([1.11 tar-ustar foreign -Wno-portability subdir-objects])
+AM_INIT_AUTOMAKE([1.11 dist-xz no-dist-gzip tar-ustar foreign -Wno-portability subdir-objects])
 AM_SANITY_CHECK
 AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_SRCDIR([libsecret/secret-value.c])