$OpenBSD: patch-libslab-directory-tile_c,v 1.5 2009/10/15 15:52:37 jasper Exp $
--- libslab/directory-tile.c.orig	Mon Aug 24 13:13:11 2009
+++ libslab/directory-tile.c	Thu Oct 15 17:35:30 2009
@@ -624,7 +624,11 @@ static void
 disown_spawned_child (gpointer user_data)
 {
 	setsid  ();
+#if defined(__OpenBSD__)
+	setpgrp (0,0);
+#else
 	setpgrp ();
+#endif
 }
 
 static void
