[PATCH 0/1] MR153: include: Mark IPersistFolder3::InitializeEx's optional parameters as [unique].

[Jinoh Kang (＠iamahuman)]

The Windows SDK headers makes it clear that the IBindCtx and ppfti
parameters of InitializeEx are optional.  Bring Wine's definition in
sync with those.

Signed-off-by: Jinoh Kang