Build xz tarballs instead of bzip2

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

configure.ac

@@ -25,7 +25,7 @@ AC_PREREQ([2.57])
 AC_INIT([font-cronyx-cyrillic], [1.0.3],
         [https://gitlab.freedesktop.org/xorg/font/cronyx-cyrillic/issues],
         [font-cronyx-cyrillic])
-AM_INIT_AUTOMAKE([foreign dist-bzip2])
+AM_INIT_AUTOMAKE([foreign dist-xz])
 
 # Require xorg-macros: XORG_DEFAULT_OPTIONS
 m4_ifndef([XORG_MACROS_VERSION],