Add some exports to NtDll and AdvApi32

[Alexandre Julliard]

Robert Shearman <R.J.Shearman at warwick.ac.uk> writes:

> Changelog:
> - Add some stub exports to spec files for NtDll and AdvApi

As a rule, for functions that only exist in later Windows versions,
it's better to add them commented out, so that apps don't try to call
the stubs. We should only add a real stub if an app links against it
directly.

-- 
Alexandre Julliard
julliard at winehq.com