[gegl-gtk] Build: Use AC_CONFIG_HEADERS instead of deprecated AM_CONFIG_HEADER

[Jon Nordby <jonnor src gnome org>]

commit fe4304c0668fb784e77a0f8843dc8c3cab93c309
Author: Jon Nordby <jononor gmail com>
Date:   Tue Jan 15 22:32:08 2013 +0100

    Build: Use AC_CONFIG_HEADERS instead of deprecated AM_CONFIG_HEADER

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 535ad48..89bde95 100644
--- a/configure.ac
+++ b/configure.ac
@@ -116,7 +116,7 @@ AC_SUBST(GEGL_PLUGINS_DIR)
 dnl ==========================================================================
 
 AM_INIT_AUTOMAKE(no-define no-dist-gzip foreign)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 GEGL_GTK_SERVER=www.gegl.org
 AC_SUBST(GEGL_GTK_SERVER)