RtlAtom tests further improved

[György 'Nog' Jeney]

> Looking at the ReactOS implementations of RtlAtom* APIs, I've found that
> they conform to the results I get under win2k. Did you try to ask a
> permission to use their implementation in Wine? Steven?

I don't think that shall be necessary, it looks like all that support is in
the wineserver already.  It seems like all that is required is to add a
couple
of server calls, but I may be wrong.

nog.