staging/rtl8187se: Fix spacing coding style in ieee80211/dot11d.c

The following errors fixed.
- ERROR: "foo * bar" should be "foo *bar"
- ERROR: "(foo*)" should be "(foo *)"

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