icmstream mem leak fix

[Mike McCormack]

Hi James,

That looks kind of wrong, both the before and after...
Interfaces should be released, not free'd...

Secondly, freeing the interface if the Query works is almost definitely 
wrong, because ppv will likely point to the same memory as pstream.

Mike


James Hawkins wrote:

>    hr = IAVIStream_QueryInterface((IAVIStream*)pstream, riid, ppv);
> -  if (FAILED(hr))
> -    LocalFree((HLOCAL)pstream);
> +
> +  LocalFree((HLOCAL)pstream);
>  
>    return hr;
>  }