[Gambas-bugtracker] Bug #1964: Frame borders are shown when using qt5

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.1964&from=L21haW4-

Comment #2 by Charlie REINL:

to see the difference run it on qt5 and gtk3
the frame borders are only with qt5 (wasn't with qt4)
So the rendering depends on the toolkit.