Fix compile
Fix compile

The imports should either be QtWidgets or nothing now.
Opting for nothing as that works for both qt4 and qt5.

Change-Id: I5d1258aa9c9586b104038dcffc6679c95945d3db
Reviewed-by: Jens Bache-Wiig <9cea9d70b08f8210134ec5959114f72bad51ed1d@nokia.com>

mizukusak/qtquickcontrols,drgvond/qtquickcontrols,richardmg/qtcomponents,jfaust/qtquickcontrols,kobolabs/qtquickcontrols,kobolabs/qtquickcontrols,jfaust/qtquickcontrols,mizukusak/qtquickcontrols,kobolabs/qtquickcontrols,jfaust/qtquickcontrols,richardmg/qtcomponents,drgvond/qtquickcontrols,drgvond/qtquickcontrols,mizukusak/qtquickcontrols,richardmg/qtcomponents