[yelp-xsl/jensgeorg/unbreak-old-autoconf] Use 'foreign' to make older ac accept README.md

[Jens Georg <jensgeorg src gnome org>]

commit 0bd1b2aeb954b4182f66e5a5ee8ca80d6f061704
Author: Jens Georg <mail jensge org>
Date:   Sat May 28 19:44:57 2022 +0200

    Use 'foreign' to make older ac accept README.md

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 84c3010f..f964b7a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_INIT([yelp-xsl],[42.0],[https://gitlab.gnome.org/gnome/yelp-xsl/issues])
 
 AC_CONFIG_MACRO_DIR([m4])
 
-AM_INIT_AUTOMAKE([1.11.2 no-dist-gzip dist-bzip2])
+AM_INIT_AUTOMAKE([1.11.2 no-dist-gzip dist-bzip2 foreign])
 
 # Check for programs
 dnl  In the interest of portability, we don't use GNU awk extensions,