wintrust: Only return ERROR_SUCCESS in WinVerifyTrust

[Molle Bestefich]

Dan Kegel wrote:
> Not to be harsh, but:

Hehe ;-).

I know, I was just poking, hoping to get an explanation for why James'
particular app might be more beneficial than Process Explorer.

(yes, I like Process Explorer, I use it for debugging from time to time.)

The optimal thing of course would be to have everything working...