Return correct virtual type for calc field and remove uninitialised warning
Return correct virtual type for calc field and remove uninitialised warning

ctrlo-cc/GADS,ctrlo/GADS,ctrlo-cc/GADS,ctrlo/GADS,ctrlo/GADS,ctrlo/GADS,ctrlo-cc/GADS,ctrlo-cc/GADS,ctrlo/GADS