staging: vt6656: remove blank lines at opening and closing braces

Removes unnecessary blank lines after opening and before closing braces.
These instances were found by checkpatch.pl.

Signed-off-by: Katie Dunne <kdunne@mail.ccsf.edu>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>