shdocvw [3/3]: Add a stub implementation of the IOleCache interface

[Jacek Caban]

Hi James,

James Hawkins wrote:
> Hi,
>
> Changelog:
> * Add a stub implementation of the IOleCache interface.
>
It's the same situation as in your patch for IRunnableObject. WebBrowser
shouldn't implement IOleCache interface.

Thanks,
    Jacek