fix static assert pb in IHCMap3::foreach_dart_of_orbit
fix static assert pb in IHCMap3::foreach_dart_of_orbit

cgogn/CGoGN_2,cgogn/CGoGN_2,untereiner/CGoGN_2,etienneschmitt/CGoGN_2,untereiner/CGoGN_2,david-cazier/CGoGN_2,david-cazier/CGoGN_2