qt3 port win32

[Ralf Habacker]

Hi Raul

> what is wrong when ld complains that -lgui is missing

see http://kde-cygwin.sourceforge.net/qt3/compiling.php

Due to an internal qmake problem, which wasn't fixed in the recent release, the
linking process may fail with an error like "cannot find -lqui" . You can fix
this problem with the following hack:
cd <qt-src-dir>
cd lib
ln -fs ../bin/cygqui-1.dll libqui.dll
cd ..
make