Switch to autoconf 2.71 (required by upstream updates)

README

@@ -78,7 +78,7 @@ system used by many packages, you will need to have the following
 GNU autotools packages installed:
 
     - automake 1.12 (devel/automake/1.12)
-    - autoconf 2.69 (devel/autoconf/2.69)
+    - autoconf 2.71 (devel/autoconf/2.71)
     - metaauto (devel/metaauto)
     - libtool (devel/libtool)
     - gettext-tools (devel/gettext)
@@ -212,4 +212,4 @@ The core dump will be in /var/crash.
 See also <http://xorg.freedesktop.org/wiki/Development/Documentation/ServerDebugging>
 
 --
-$OpenBSD: README,v 1.47 2023/05/07 06:42:06 matthieu Exp $
+$OpenBSD: README,v 1.48 2023/05/07 06:55:21 matthieu Exp $

share/mk/bsd.xorg.mk

@@ -1,4 +1,4 @@
-# $OpenBSD: bsd.xorg.mk,v 1.64 2022/11/14 07:52:06 sthen Exp $ -*- makefile  -*-
+# $OpenBSD: bsd.xorg.mk,v 1.65 2023/05/07 06:55:21 matthieu Exp $ -*- makefile  -*-
 #
 # Copyright © 2006,2012 Matthieu Herrb
 #
@@ -20,7 +20,7 @@
 .endif
 
 AUTOMAKE_VERSION=	1.12
-AUTOCONF_VERSION=	2.69
+AUTOCONF_VERSION=	2.71
 PYTHON_VERSION=		3.10
 
 # Where source lives