batman-adv: add contributor name

translation_table.{c,h} have been heavily modified by another contributor and
for legal purposes it is better to include his name into the contributor list
Signed-off-by: Antonio Quartulli <ordex@autistici.org>

net/batman-adv/translation-table.c

 /*
  * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
  *
- * Marek Lindner, Simon Wunderlich
+ * Marek Lindner, Simon Wunderlich, Antonio Quartulli
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 2 of the GNU General Public

net/batman-adv/translation-table.h

 /*
  * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
  *
- * Marek Lindner, Simon Wunderlich
+ * Marek Lindner, Simon Wunderlich, Antonio Quartulli
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 2 of the GNU General Public