staging: vt6656: Remove space before closing brace

Remove space before closing brace '}'. Problem found using
checkpatch.pl
CHECK: Blank lines aren't necessary before a close brace '}'

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>