Report general and custom flags separately

git-svn-id: http://svn.osgeo.org/geos/trunk@3742 5242fede-7e19-0410-aef8-94bd7d2200fb
Missing QuadEdge.h causing incomplete types.

git-svn-id: http://svn.osgeo.org/geos/trunk@3743 5242fede-7e19-0410-aef8-94bd7d2200fb