[DSHOW] Beginning of winestreambase lib (take 2)

[Christian Costa]

Christian Costa wrote:

>
> Hi,
>
> This time, with winestrmbase renamed to winestreambase as suggested by 
> Dimi.
>
> Changelog:
> Add winestreambase library and make quartz use it.
>
> Christian Costa   titan.costa at wanadoo.fr
>
This patch has not be applied yet. Is there anything wrong with it?
I was also considering turning it into a dll rather than a static lib. 
Do you think it's a good idea?

Christian