STAGING: rtl8192u/ieee80211: fix checkpatch error about pointer position in ieee80211_crypt

This patch fixes the pointer position in ieee80211_crypt.h and
ieee80211_crypt.c to meet the kernel coding style conventions.

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>