staging:rtl8192u: Correct spacing before and after parenthesis - Style

Corrected coding style issues aroung opening and closed parenthesis.
Spaces, or blank line, removed from after '(' or before ')'

Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>