[Bug 12640] Applications written in Delphi has got minimize, maximize and size controls disabled for its item in taskbar

http://bugs.winehq.org/show_bug.cgi?id=12640

--- Comment #16 from Dmitry Timoshkov   2008-04-20 07:38:25 ---
(In reply to comment #15)
> Created an attachment (id=12338)

--> (http://bugs.winehq.org/attachment.cgi?id=12338) [details]
> Patch to add windows with unmapped owners to the taskbar
> I'm attaching that solves bug 12264 by adding to the taskbar the windows whose
> owners are unmapped. This is to be applied after reverting
> 15c0bcb3d8eff7c38def24b58633bb1d6116d8c4 and should resolve this bug too.

I don't see what has changed since then which suddenly makes this patch
correct.