Fix build on linux/clang 13 (#7203)

* Include missing headers

* Disambiguate nested template function for clang 13

src/libslic3r/Geometry/Circle.cpp

@@ -2,6 +2,9 @@
 
 #include "../Polygon.hpp"
 
+#include <numeric>
+#include <boost/log/trivial.hpp>
+
 namespace Slic3r { namespace Geometry {
 
 Point circle_center_taubin_newton(const Points::const_iterator& input_begin, const Points::const_iterator& input_end, size_t cycles)

src/libslic3r/Geometry/Circle.hpp

@@ -1,6 +1,10 @@
 #ifndef slic3r_Geometry_Circle_hpp_
 #define slic3r_Geometry_Circle_hpp_
 
+#include "../Point.hpp"
+
+#include <Eigen/Geometry>
+
 namespace Slic3r { namespace Geometry {
 
 /// Find the center of the circle corresponding to the vector of Points as an arc.

src/libslic3r/Geometry/MedialAxis.cpp

@@ -1,5 +1,7 @@
 #include "MedialAxis.hpp"
 
+#include "clipper.hpp"
+
 #ifdef SLIC3R_DEBUG
 namespace boost { namespace polygon {
 

src/libslic3r/Geometry/MedialAxis.hpp

@@ -2,6 +2,7 @@
 #define slic3r_Geometry_MedialAxis_hpp_
 
 #include "Voronoi.hpp"
+#include "../ExPolygon.hpp"
 
 namespace Slic3r { namespace Geometry {