ath5k: cosmetic changes in ath5k_hw_proc_5212_rx_status()

Just whitespace and indentation.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>