segway_head: function turn_off_all() is now public

src/segway_head.h

@@ -60,7 +60,6 @@ class CSegwayHead : public CDynamixelMotorGroup
     CDynamixel *lights;
   protected:
     void turn_on_all(void);
-    void turn_off_all(void);
   public:
     CSegwayHead(std::string &head_id,CDynamixelServerFTDI *dyn_server);
     CSegwayHead(std::string &head_id,CDynamixelServerFTDI *dyn_server, std::vector<unsigned char> &ids);
@@ -88,6 +87,7 @@ class CSegwayHead : public CDynamixelMotorGroup
     void set_lights_id(unsigned char id);
     void set_brightness(float brightness);
     float get_brightness(void);
+    void turn_off_all(void);
     void turn_on_segment(segment_id id);
     void turn_off_segment(segment_id id);
     bool is_segment_on(segment_id id);