host: set license to GPLv2+

Change-Id: I0948d74874af1d3a0f1b4cbcb4a838e4ecd9fe3f
diff --git a/host/simtrace2-remsim.c b/host/simtrace2-remsim.c
index df38f77..462f73e 100644
--- a/host/simtrace2-remsim.c
+++ b/host/simtrace2-remsim.c
@@ -1,21 +1,22 @@
-/* simtrace2-remsim - main program for the host PC
+/* simtrace2-remsim - main program for the host PC to provide a remote SIM
+ * using the SIMtrace 2 firmware in card emulation mode
  *
- * (C) 2010-2017 by Harald Welte <hwelte@hmw-consulting.de>
+ * (C) 2016 by Harald Welte <hwelte@hmw-consulting.de>
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 
- *  as published by the Free Software Foundation
+ * 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.
+ * 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, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
-
 #include <errno.h>
 #include <unistd.h>
 #include <stdio.h>