Staging: vt6656: Correct single space mistakes

Adds missing spaces between an if-statement and its condition as well
as between the condition and the following curly brace. At casts
there is also a space added between the type and the variable.

Spaces that either follow an opening parenthese or the sizeof operator
or that preceed semicolons are removed as well.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>