shell32: Implement ParseDisplayName for EntireNetwork in the Network Places shell folder.

[Juan Lang]

> I don't believe so. ParseDisplayName (which isn't implemented yet) will do
> the mapping between the PIDL and the name the user sees, which doesn't have
> to depend on pData->u.network.szNames.

Right.  I was expecting that the Network Places shell folder would
have to be hooked up to MPR, in which case pData->u.network.szNames
would most logically match what it uses.  But since it isn't yet, I'll
defer comment.
--Juan