olsrd: use SPDX and bump copyright

1) Use SPDX license headers to be machine readable.
2) Update copyright to 2021.

Signed-off-by: Nick Hainke <vincent@systemli.org>

diff --git a/olsrd/Makefile b/olsrd/Makefile
index e7dc85c1fdd919f03155bd64a1c0d2afc57be43e..3933ec696f49ea919bfb2b6d9474c0064c4f5cfd 100644 (file)
--- a/olsrd/Makefile
+++ b/olsrd/Makefile
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
-# Copyright (C) 2009-2016 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
+# Copyright (C) 2009-2021 OpenWrt.org
 #
 
 include $(TOPDIR)/rules.mk