[PATCH] bcm43xx: correct "Move IV/ICV stripping into ieee80211_rx"

In the patch sent by Daniel Drake under the title "[PATCH] ieee80211: Move
IV/ICV stripping into ieee80211_rx", a needed line was accidentally removed.

(NOTE: I'm pretty sure this was my fault, not Daniel's. -- JWL)

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>