[libsecret] add support for automake 1.13

[Stefan Walter <stefw src gnome org>]

commit 0c726e74d7dd8082cf175b79634ae336fd912c1f
Author: Nuno Araujo <nuno araujo russo79 com>
Date:   Tue Jan 15 18:34:10 2013 +0100

    add support for automake 1.13
    
    https://bugzilla.gnome.org/show_bug.cgi?id=692100

 autogen.sh   |    2 +-
 configure.ac |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 7c6b56d..3f5fbc7 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -43,7 +43,7 @@ fi
 	DIE=1
 }
 
-AUTOMAKE_VERSIONS="1.12 1.11 1.10"
+AUTOMAKE_VERSIONS="1.13 1.12 1.11 1.10"
 for version in $AUTOMAKE_VERSIONS; do
 	if automake-$version --version < /dev/null > /dev/null 2>&1 ; then
 		AUTOMAKE=automake-$version
diff --git a/configure.ac b/configure.ac
index 6a9aa79..8116961 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,7 +26,7 @@ SECRET_AGE=0
 AC_CONFIG_MACRO_DIR([build/m4])
 AM_INIT_AUTOMAKE([1.11 tar-ustar foreign -Wno-portability])
 AM_SANITY_CHECK
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_SRCDIR([libsecret/secret-value.c])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AM_MAINTAINER_MODE([enable])