staging/rtl8187se: Fix spacing coding style in ieee80211/ieee80211_crypt_ccmp.c

The following error and warning fixed.
- ERROR: code indent should use tabs where possible
- WARNING: braces {} are not necessary for single statement blocks

Signed-off-by: YAMANE Toshiaki <yamanetoshi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>