Add missing #include

Circular_kernel_3/include/CGAL/Circular_kernel_3/Circular_arc_point_3.h

@@ -33,6 +33,9 @@
 // fixme, devrait
 // appeler fonction de global_functions_on_circular_arcs
 
+#include <vector>
+#include <CGAL/kernel_config.h>
+
 namespace CGAL {
   namespace internal {
 

Circular_kernel_3/include/CGAL/Circular_kernel_3/internal_function_has_on_spherical_kernel.h

@@ -26,6 +26,7 @@
 #define CGAL_SPHERICAL_KERNEL_PREDICATES_HAS_ON_3_H
 
 #include <CGAL/Circular_kernel_3/internal_functions_on_sphere_3.h>
+#include <CGAL/number_utils.h>
 
 namespace CGAL {
   namespace SphericalFunctors {

Circular_kernel_3/include/CGAL/Circular_kernel_3/internal_functions_on_sphere_3.h

@@ -25,6 +25,8 @@
 #define CGAL_SPHERICAL_KERNEL_PREDICATES_ON_SPHERE_3_H
 
 #include <CGAL/Circular_kernel_3/Intersection_traits.h>
+#include <utility>
+#include <vector>
 
 namespace CGAL {
   namespace SphericalFunctors {