build: use SPDX license tags

[openwrt/openwrt.git] / include / netfilter.mk

diff --git a/include/netfilter.mk b/include/netfilter.mk
index 889beb7a983073f0e3c51b2e6e0aa55aed359def..60f031e9a71232d698a9457a3b9aefa98a9f2671 100644 (file)
--- a/include/netfilter.mk
+++ b/include/netfilter.mk
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# Copyright (C) 2006-2014 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+# Copyright (C) 2006-2020 OpenWrt.org
 
 ifneq ($(__inc_netfilter),1)
 __inc_netfilter:=1