dxdiag: add basic command line parsing

[Michael Stefaniuc]

Henri Verbeet wrote:
> 2009/8/26 Austin English <austinenglish at gmail.com>:
>> Based on Dan Kegel's patch he wrote for Louis Lenders old implementation.
>>
> It probably doesn't make much of a difference for command line
> parsing, but I think you want to make dxdiag explicitly unicode from
> the start (new programs in general, really). It also seems to me that
Yes please. Converting a program to unicode is not hard work per se but
time consuming and boring.

> this patch doesn't do a whole lot in practice.

bye
	michael