[fpc-pascal] Variants and Extended

[Marco van de Voort]

In our previous episode, Michael Van Canneyt said:
> > a specific extended version, data is copied into a double type.
> >
> > Not knowing much about the inner working of variants I don't know the reason 
> > for this, is it a bug or does the extended type not work inside the TVarData?
> 
> The extended type does not work inside TVarData. Variants were implemented
> by Microsoft, and they did not include support for extended.

Note that extended is x86 specific, and windows has been multi-architecture
since the early nineties.