native qt branch build problem

[Ralf Habacker]

> okay, i see your build system seems to be up-to-date :-)
>
> my programming style is some kind of learning-by-doing, and so
> ralf found some places, where things could be done in a cleaner way.
> this seems to be not finished yet.
>

The fixes allows compiling from the qt base directory. There is only one issue
with designer, which I haven't fixed yet.

> to be able to compile it, you have to revert the last changes to
> src/tools/qglobal.h
> from 1.4.2.2 back to 1.4.2.1 and src/kernel/qprinter_win32.cpp should be
> an empty file.
>

Hm, with the above changes I only could compile from the root directory.  I will
take a look

Ralf