$OpenBSD: patch-src_callbacks_mainwindow_menu_c,v 1.1 2012/05/20 19:42:25 naddy Exp $

Needed for strptime(3).

--- src/callbacks_mainwindow_menu.c.orig	Sun May 20 13:32:07 2012
+++ src/callbacks_mainwindow_menu.c	Sun May 20 13:33:14 2012
@@ -25,6 +25,7 @@
  */
 
 #define _XOPEN_SOURCE
+#define _XOPEN_SOURCE_EXTENDED 1
 #include <time.h>
 
 #include <gtk/gtk.h>