include: Make IShellItem::BindToHandler's pbc parameter as [unique].
The Windows SDK headers makes it clear that the IBindCtx parameter of BindToHandler is optional. Bring Wine's definition in sync with those.
Thanks @nsivov for pointing this out.
The Windows SDK headers makes it clear that the IBindCtx parameter of BindToHandler is optional. Bring Wine's definition in sync with those.
Thanks @nsivov for pointing this out.