staging:rtl8723bs:core:rtw_wlan_util:fixed indentation coding style issue

Fixed the indentation of the else part of the conditional statement.

Signed-off-by: Shreya Ajith <shreya.ajithchb@gmail.com>
Link: https://lore.kernel.org/r/20210316123118.GA2312@shreya-VirtualBox


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