message: fix compilling issue
diff: @@ -380,7 +380,7 @@ namespace RINGMesh {
  * @param[in] in1 Index of the second vertex in the surface
  * @return NO_ID or the index of the facet
  */
  - index_t Mesh2D::facet_from_vertex_ids(index_t in0, index_t in1) const ;
  + index_t facet_from_vertex_ids(index_t in0, index_t in1) const ;
  /*!
  * @brief Determines the facets around a vertex
  @@ -394,7 +394,7 @@ namespace RINGMesh {
  * force algorithm, and then the other by propagation
  * @todo Try to use a AABB tree to remove @param first_facet. [PA]
  */
  - index_t Mesh2D::facets_around_vertex(
  + index_t facets_around_vertex(
  index_t vertex_id,
  std::vector< index_t >& result,
  bool border_only,
  