fix compilation for GCC 7 (#284)
fix compilation for GCC 7 (#284)


qtquickvcp/QtQuickVcp,qtquickvcp/QtQuickVcp,strahlex/QtQuickVcp,machinekoder/QtQuickVcp,machinekoder/QtQuickVcp,strahlex/QtQuickVcp,strahlex/QtQuickVcp,machinekoder/QtQuickVcp,qtquickvcp/QtQuickVcp,machinekoder/QtQuickVcp,qtquickvcp/QtQuickVcp