tc/htb: add SPDX comment

The standard way is to use SPDX to refer to license,
instead of per-file boilerplate text.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/tc/q_htb.c b/tc/q_htb.c
index 8d73cdc3518a7c3020c9e3e36eeae5e08b050516..31862ffbb5e3bd6e6efcc940eff2ffc0c0b91cb8 100644 (file)
--- a/tc/q_htb.c
+++ b/tc/q_htb.c
@@ -1,13 +1,7 @@
-/*
- * q_htb.c             HTB.
- *
- *             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.
- *
- * Authors:    Martin Devera, devik@cdi.cz
+/* SPDX-License-Identifier: GPL-2.0 */
+/* q_htb.c     Hierarchical Token Bucket
  *
+ * Author:     Martin Devera, devik@cdi.cz
  */
 
 #include <stdio.h>