staging:rtl8192u: Correct indentation and spacing for braces of code blocks

Simple style change to fix the indentaiton and spacing of the braces around
multiline code blocks.

Braces removed from code block with a single line.

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