staging: rtl8188eu: cleanup whitespace in update_hw_ht_param

Replace tabs with spaces in declarations and reomve two blank lines in
update_hw_ht_param to cleanup whitespace and improve readability.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20191003122514.1760-4-straube.linux@gmail.com


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