add “overhang_reverse”

src/libslic3r/ExtrusionEntity.hpp

@@ -328,6 +328,9 @@ public:
     double total_volume() const override { double volume =0.; for (const auto& path : paths) volume += path.total_volume(); return volume; }
     //w37
     bool check_seam_point_angle(double angle_threshold = 0.174, double min_arm_length = 0.025) const;
+    //w38
+    bool make_clockwise();
+    bool make_counter_clockwise();
 
 #ifndef NDEBUG
 	bool validate() const {