buildroot/package/imagemagick/imagemagick-6.3.4-add-errno-h-if-argz-h-does-not-exist.patch

--- ImageMagick-6.3.4.old/configure	2007-05-12 05:49:25.000000000 +0200
+++ ImageMagick-6.3.4.new/configure	2007-05-21 16:53:32.000000000 +0200
@@ -9484,6 +9484,8 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #if HAVE_ARGZ_H
 #  include <argz.h>
+#else
+#  include <errno.h>
 #endif
 
 typedef error_t ac__type_new_;