treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 77

Based on 1 normalized pattern(s):

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 or any later at your
option

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 5 file(s).

Signed-off-by: Thomas Gleixner <[e-mail]>
Reviewed-by: Richard Fontana <[e-mail]>
Reviewed-by: Armijn Hemel <[e-mail]>
Reviewed-by: Allison Randal <[e-mail]>
Cc: [e-mail]
Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

net/netfilter/nf_conntrack_timeout.c

···
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * (C) 2012 by Pablo Neira Ayuso <[e-mail]>
  * (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
- *
- * 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 (or any later at your option).
  */
 
 #include <linux/types.h>

net/netfilter/nf_conntrack_timestamp.c

···
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * (C) 2010 Pablo Neira Ayuso <[e-mail]>
- *
- * 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 (or any later at your option).
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

net/netfilter/nfnetlink_acct.c

···
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * (C) 2011 Pablo Neira Ayuso <[e-mail]>
  * (C) 2011 Intra2net AG <http://www.intra2net.com>
- *
- * 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 (or any later at your option).
  */
 #include <linux/init.h>
 #include <linux/module.h>

net/netfilter/nfnetlink_cthelper.c

···
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * (C) 2012 Pablo Neira Ayuso <[e-mail]>
- *
- * 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 (or any later at your option).
  *
  * This software has been sponsored by Vyatta Inc. <http://www.vyatta.com>
  */

net/netfilter/nfnetlink_cttimeout.c

···
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * (C) 2012 by Pablo Neira Ayuso <[e-mail]>
  * (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
- *
- * 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 (or any later at your option).
  */
 #include <linux/init.h>
 #include <linux/module.h>