add missing include

CGAL · Jun 20, 2023 · ec8c01a · ec8c01a
1 parent ccc5462
commit ec8c01a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Alpha_shapes_2/include/CGAL/Alpha_shape_vertex_base_2.h b/Alpha_shapes_2/include/CGAL/Alpha_shape_vertex_base_2.h
@@ -19,6 +19,7 @@
 #include <utility>
 #include <CGAL/Triangulation_vertex_base_2.h>
 #include <CGAL/Alpha_shapes_2/internal/Lazy_alpha_nt_2.h>
+#include <CGAL/Default.h>
 
 //-------------------------------------------------------------------
 namespace CGAL {