add missing SPDX identifiers

BGL/include/CGAL/boost/graph/Graph_with_descriptor_with_graph_fwd.h

@@ -13,7 +13,7 @@
 //
 // $URL$
 // $Id$
-//
+// SPDX-License-Identifier: LGPL-3.0+
 //
 // Author(s)     : Laurent Rineau
 

Mesh_3/include/CGAL/Mesh_error_code.h

@@ -14,6 +14,9 @@
 //
 // $URL$
 // $Id$
+// SPDX-License-Identifier: GPL-3.0+
+//
+// Author(s)     : Laurent Rineau
 
 #ifndef CGAL_MESH_ERROR_CODE_H
 #define CGAL_MESH_ERROR_CODE_H

Scale_space_reconstruction_3/include/CGAL/Scale_space_reconstruction_3/Advancing_front_mesher.h

@@ -13,6 +13,8 @@
 //You should have received a copy of the GNU General Public License
 //along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s):      Simon Giraudot
 
 

Scale_space_reconstruction_3/include/CGAL/Scale_space_reconstruction_3/Alpha_shape_mesher.h

@@ -14,6 +14,8 @@
 //You should have received a copy of the GNU General Public License
 //along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s):      Thijs van Lankveld, Simon Giraudot
 
 

Scale_space_reconstruction_3/include/CGAL/Scale_space_reconstruction_3/Jet_smoother.h

@@ -13,6 +13,8 @@
 //You should have received a copy of the GNU General Public License
 //along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s):      Simon Giraudot
 
 

Scale_space_reconstruction_3/include/CGAL/Scale_space_reconstruction_3/Shape_construction_3.h

@@ -13,6 +13,8 @@
 //You should have received a copy of the GNU General Public License
 //along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s):      Thijs van Lankveld
 
 

Scale_space_reconstruction_3/include/CGAL/Scale_space_reconstruction_3/Weighted_PCA_smoother.h

@@ -14,6 +14,8 @@
 //You should have received a copy of the GNU General Public License
 //along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s):      Thijs van Lankveld, Simon Giraudot
 
 

Scale_space_reconstruction_3/include/CGAL/Scale_space_reconstruction_3/internal/Auto_count.h

@@ -14,6 +14,8 @@
 //You should have received a copy of the GNU General Public License
 //along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s):      Thijs van Lankveld
 
 

Scale_space_reconstruction_3/include/CGAL/Scale_space_surface_reconstruction_3.h

@@ -14,6 +14,8 @@
 //You should have received a copy of the GNU General Public License
 //along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
+// SPDX-License-Identifier: GPL-3.0+
+//
 // Author(s):      Thijs van Lankveld, Simon Giraudot