sipp: fix copyright

In a previous commit I updated the copyright message. But that was not
correct as I am not affiliated with OpenWrt. This commit reverts the
change.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

diff --git a/net/sipp/Makefile b/net/sipp/Makefile
index 814839aa4b43575f2e24b283bb3af01581eab9aa..d181392c0f2c3c28aada1fd550ae7ae73fdebb03 100644 (file)
--- a/net/sipp/Makefile
+++ b/net/sipp/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2013-2018 OpenWrt.org
+# Copyright (C) 2013-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.