Re: [1/4] dinput: Return error for unknown property.

[Sergey Khodych]

> I'd like to see tests for this. Also lots of programs will break because 
> they won't get some not significant property. No short - don't do this.
> But wine return a garbage value also for significant property. This 
> value may cause undefined behavior of application. The patch will make 
> errors more explicit.