Move one fcn up the class close to its related fcns

include/bodydynamics/processor/processor_force_torque_inertial_preint_dynamics.h

@@ -206,6 +206,9 @@ class ProcessorForceTorqueInertialPreintDynamics : public ProcessorMotion
     Eigen::VectorXd correctDelta(const Eigen::VectorXd& _delta_preint,
                                  const Eigen::VectorXd& _delta_step) const override;
 
+  public:
+    virtual VectorXd getCalibration(const CaptureBaseConstPtr _capture = nullptr) const override;
+
   protected:
     /** \brief emplace a CaptureMotion
      * \param _frame_own frame owning the Capture to create
@@ -241,8 +244,6 @@ class ProcessorForceTorqueInertialPreintDynamics : public ProcessorMotion
 
     bool voteForKeyFrame() const override;
 
-  public:
-    virtual VectorXd getCalibration(const CaptureBaseConstPtr _capture = nullptr) const override;
   private:
     void data2tangent(const Eigen::VectorXd& _data,     ///< [a, w, f, t] raw measures
                       const Eigen::VectorXd& _bias,     ///< [ab, wb]