[lazarus] Win32 GTK Does work again!!!!

[Marco van de Voort]

> 
> The term LCL_PLATFORM isn't quite as descriptive as it could be.  The word
> platform to me brought to mind Windows vs Linux vs FreeBSD, etc. which is,
> as you say, OS_TARGET, which does make more sense.  On second look at the
> word platform, if I didn't know better, I would think it meant x86 vs.
> Sparc vs. m68K, but that makes no sense with the LCL prefix.  That it
> meant widget set didn't occur to me.

The correct word for that is architecture. (for differences in processor-target)