$NetBSD: patch-configure.ac,v 1.1 2013/01/26 22:59:08 wiz Exp $

automake-1.13 compat.

--- configure.ac.orig	2011-10-04 13:43:59.000000000 +0000
+++ configure.ac
@@ -1,7 +1,7 @@
 # Process this file with autoconf to produce a configure script.
 AC_INIT(src/lrdf.c)
 AC_CONFIG_MACRO_DIR([m4])
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 AM_INIT_AUTOMAKE(liblrdf, 0.5.0)
 
 LRDF_LIBTOOL_VERSION=2:0:0