1 files changed, 19 insertions, 1 deletions

diff --git a/src/vpn/gnunet-vpn-checksum.h b/src/vpn/gnunet-vpn-checksum.h
index b6af8c56e..51f044380 100644
--- a/src/vpn/gnunet-vpn-checksum.h
+++ b/src/vpn/gnunet-vpn-checksum.h
@@ -1,5 +1,23 @@
-#ifndef GNUNET_VPN_CHECKSUM_H
+/*
+     This file is part of GNUnet.
+     (C) 2010 Christian Grothoff
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
 
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+#ifndef GNUNET_VPN_CHECKSUM_H
 #define GNUNET_VPN_CHECKSUM_H
 
 #include <platform.h>