Staging: batman-adv: Convert names from Java to C style

Useless but meaningfull patch that converts JavaStyle names into c_style

Signed-off-by: Antonio Quartulli <ordex@ritirata.org>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>