Staging: rtl8188eu: Correct two coding style errors

Correct two errors reported by checkpatch.pl because space prohibited
before ','.
Also split both lines into multiple lines as they are longer than
80 characters

Signed-off-by: Iban Rodriguez <iban.rodriguez@ono.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>