Comment # 8 on bug 34630 from GyB

(In reply to comment #7)
> Created attachment 46808 [details]
> ddraw: Make DirectDrawEnumerateEx only enumerate secondary display devices
> when requested.
> 
> I've finally had some time to look into this a bit.  Please try the attached
> patch, it should correct the problem :)

The patch indeed fixes the issue in Drakan2 demo, but other games still show
multiple instances of the display driver in their configuration tool (e.g.
Simon the Sorcerer 3D).