ekf: pass a float by copy instead of a constant ref

src/modules/ekf2/EKF/ekf.h

@@ -653,7 +653,7 @@ private:
 
 	void resetHorizontalPositionTo(const Vector2f &new_horz_pos);
 
-	void resetVerticalPositionTo(const float &new_vert_pos);
+	void resetVerticalPositionTo(float new_vert_pos);
 
 	void resetHeight();
 

src/modules/ekf2/EKF/ekf_helper.cpp

@@ -229,7 +229,7 @@ void Ekf::resetHorizontalPositionTo(const Vector2f &new_horz_pos)
 	_state_reset_status.posNE_counter++;
 }
 
-void Ekf::resetVerticalPositionTo(const float &new_vert_pos)
+void Ekf::resetVerticalPositionTo(const float new_vert_pos)
 {
 	const float old_vert_pos = _state.pos(2);
 	_state.pos(2) = new_vert_pos;