$OpenBSD: patch-xpdf_gpdf-control_cc,v 1.1 2004/06/24 18:40:14 marcm Exp $
--- xpdf/gpdf-control.cc.orig	Mon Jun  7 11:04:42 2004
+++ xpdf/gpdf-control.cc	Thu Jun 24 12:02:02 2004
@@ -62,6 +62,10 @@ BEGIN_EXTERN_C
 #define GPDF_GNOME_HELP_DOC_ID			"gpdf"
 #define GPDF_GNOME_HELP_FILENAME		"gpdf.xml"
 
+#ifndef GNOME_PRINT_KEY_DUPLEX
+#define GNOME_PRINT_KEY_DUPLEX    "Settings.Output.Job.Duplex"
+#endif
+
 struct _GPdfControlPrivate {
 	GPdfPersistStream *persist_stream;
 	GPdfPersistFile *persist_file;