Fix dist

Makefile.am

@@ -29,7 +29,7 @@ libexec_PROGRAMS = \
 	xdg-app-session-helper \
 	$(NULL)
 
-EXTRA_DIST =
+EXTRA_DIST = xdg-app.gresource.xml xdg-app-dbus-interfaces.xml org.freedesktop.systemd1.xml
 
 libglnx_srcpath := $(srcdir)/libglnx
 libglnx_cflags := $(BASE_CFLAGS) "-I$(libglnx_srcpath)"
@@ -78,6 +78,8 @@ servicedir = $(DBUS_SERVICE_DIR)
 service_in_files = xdg-app-session.service.in
 service_DATA = xdg-app-session.service
 
+EXTRA_DIST += $(service_in_files)
+
 xdg_app_session_helper_SOURCES = \
 	xdg-app-session-helper.c	\
 	$(dbus_built_sources)		\

configure.ac

@@ -14,7 +14,7 @@ LT_INIT([disable-static])
 AC_CONFIG_SRCDIR([xdg-app-helper.c])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([1.11 no-define no-dist-gzip dist-bzip2 tar-ustar foreign subdir-objects])
+AM_INIT_AUTOMAKE([1.11 no-define no-dist-gzip dist-xz tar-ustar foreign subdir-objects])
 AC_PROG_SED
 
 # Enable silent rules is available