minstrel_ht: remove unnecessary NULL check in minstrel_ht_update_caps

If sta is NULL, we will have problems long before we get here...

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
John W. Linville 2010-07-22 15:36:02 -04:00
commit 00fc90c886