staging: rtl8192u: add space before the open parenthesis '('

This fixes the checkpatch.pl error:
ERROR: space required before the open parenthesis '('

Signed-off-by: Roxana Blaj <roxanagabriela10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed