rename addEdge overload to registerEdgeCount

So it won't be confused with addEdge that actually does add an edge to edges_.

src/ifcgeom/IfcGeomRepresentation.cpp

@@ -407,7 +407,7 @@ int IfcGeom::Representation::Triangulation::addVertex(int item_id, int material_
 	return i;
 }
 
-void IfcGeom::Representation::Triangulation::addEdge(int n1, int n2, std::map<std::pair<int, int>, int>& edgecount) {
+void IfcGeom::Representation::Triangulation::registerEdgeCount(int n1, int n2, std::map<std::pair<int, int>, int>& edgecount) {
 	const Edge e = Edge((std::min)(n1, n2), (std::max)(n1, n2));
 	edgecount[e] ++;
 }

src/ifcgeom/IfcGeomRepresentation.h

@@ -216,7 +216,7 @@ namespace IfcGeom {
 				edges_.push_back(i1);
 			}
 
-			void addEdge(int n1, int n2, std::map<std::pair<int, int>, int>& edgecount);
+			void registerEdgeCount(int n1, int n2, std::map<std::pair<int, int>, int>& edgecount);
 
 			void resetWelds() {
 				weld_offset_ += welds.size();

src/ifcgeom/kernels/opencascade/OpenCascadeConversionResult.cpp

@@ -293,9 +293,9 @@ void ifcopenshell::geometry::OpenCascadeShape::Triangulate(ifcopenshell::geometr
 					} else {
 						t->addFace(item_id, surface_style_id, dict[n1], dict[n2], dict[n3]);
 
-						t->addEdge(dict[n1], dict[n2], edgecount);
-						t->addEdge(dict[n2], dict[n3], edgecount);
-						t->addEdge(dict[n3], dict[n1], edgecount);
+						t->registerEdgeCount(dict[n1], dict[n2], edgecount);
+						t->registerEdgeCount(dict[n2], dict[n3], edgecount);
+						t->registerEdgeCount(dict[n3], dict[n1], edgecount);
 					}
 				}
 			}