staging: rtl8187se: Fix whitespace around else-statements

Fix whitespaces around else-statements and fix coding style in the
lines when It is necessary as the codingStyle of the kernel recommends
in ieee80211/ieee80211_softmac.c

Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>