debian/copyright: add gsup_client under GPLv2+

Change-Id: Idddcd6356af76987bf57ecd21096299cb2ba896f
---
M debian/copyright
1 file changed, 18 insertions(+), 0 deletions(-)

diff --git a/debian/copyright b/debian/copyright
index 374c9a2..b66ed88 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -6,6 +6,10 @@
 Copyright: 2016-2022 Sysmocom s. f. m. c. GmbH <info@sysmocom.de>
 License: AGPL-3+
 
+Files: src/gsupclient/*
+Copyright: 2014-2016,2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+License: GPL-2+
+
 License: AGPL-3+
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as published by
@@ -19,3 +23,17 @@
 
  You should have received a copy of the GNU Affero General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+License: GPL-2+
+ This program 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 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

