mac80211: a few code cleanups

This has some code cleanups (some inspired by checkpatch), I got
bored at probably a third of the output though so if somebody
else wants to...

Signed-off-by: Johannes Berg <johannes@sipsolutions.net
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/aes_ccm.h

@@ -14,7 +14,7 @@
 
 #define AES_BLOCK_LEN 16
 
-struct crypto_cipher * ieee80211_aes_key_setup_encrypt(const u8 key[]);
+struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[]);
 void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
 			       u8 *b_0, u8 *aad, u8 *data, size_t data_len,
 			       u8 *cdata, u8 *mic);