shell32: Implement SHCreateItemInKnownFolder.

[Huw Davies]

On Wed, Aug 02, 2017 at 10:58:34AM +0800, Jactry Zeng wrote:
> 2017-07-31 15:47 GMT+08:00 Huw Davies <huw at codeweavers.com>:
> >
> > You probably want to use SHGetKnownFolderIDList() instead of these
> > last two calls.
> >
> I had some more tests of SHGetKnownFolderIDList() and IShellFolder_BindToObject
> (), I found that in some cases SHGetKnownFolderIDList() will return a pidl
> which ILIsEmpty() thinks it is empty.

This is presumably a bug in SHGetKnownFolderIDList(), which we should fix.

Huw.