CheckBoxStyle: enable antialiasing
CheckBoxStyle: enable antialiasing

Change-Id: I75122bb1ebdf3d361534c2eac0b58b7b284d2a1c
Reviewed-by: Jens Bache-Wiig <9cea9d70b08f8210134ec5959114f72bad51ed1d@digia.com>

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