quartz: update ICOM_THIS_MULTI to follow the new COM standard

[Jacek Caban]

On 03/30/12 18:09, Aric Stewart wrote:
> Meaning that I should not shift TO using that macro instead shift AWAY
> from using it?
>
> I have been doing some cleanup and been shifting to using it more.

ICOM_THIS_MULTI macro should go away. Your patch made ICOM_THIS_MULTI
look a bit better by using CONTAINING_RECORD, but there is not much
point in doing it, since ICOM_THIS_MULTI should be completely removed.


Cheers,
Jacek