V4L/DVB (11806): xc5000: add copyright line

Add copyright line for xc5000.c.

Cc: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/common/tuners/xc5000.c

@@ -3,6 +3,7 @@
  *
  *  Copyright (c) 2007 Xceive Corporation
  *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
+ *  Copyright (c) 2009 Devin Heitmueller <dheitmueller@kernellabs.com>
  *
  *  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