[gnome-keyring] Fix the build with automake 1.13

[Stefan Walter <stefw src gnome org>]

commit 146aa76dac2e3c6e6ee2fa275d202f02e40d8dd2
Author: Nuno Araujo <nuno araujo russo79 com>
Date:   Wed Jan 16 00:38:36 2013 +0100

    Fix the build with automake 1.13
    
    In Automake 1.13, the long-deprecated macro AM_CONFIG_HEADER (deprecated
    since 2002) has been removed in favour of AC_CONFIG_HEADERS.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=692112

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index c235a05..4e79344 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_INIT(daemon/gkd-main.c)
 
 AM_INIT_AUTOMAKE(gnome-keyring, 3.7.2)
 
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 dnl ****************************************************************************