staging: rtl8192e: fix unbalanced braces around else

Balance if/else braces as recommended by checkpatch.pl

Signed-off-by: Khadija Kamran <kamrankhadijadj@gmail.com>
Link: https://lore.kernel.org/r/ZCISGaFELBfDyGRT@khadija-virtual-machine


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>