Update GFGeometry.mm - Fixed bug where init of a GFGeometry class directly was allowed.
Update GFGeometry.mm
- Fixed bug where init of a GFGeometry class directly was allowed.

sachindeorah/geofeatures,sachindeorah/geofeatures,sachindeorah/geofeatures,sachindeorah/geofeatures,sachindeorah/geofeatures,sachindeorah/geofeatures,sachindeorah/geofeatures