Hiep update

src/dock_calc.cpp

@@ -728,7 +728,7 @@ namespace dock_planner
         //         check_y >= 0 && check_y < costmap_->getSizeInCellsY()) 
         //     {
         //         unsigned char cost = costmap_->getCost(check_x, check_y);
-        //         if (cost >= costmap_2d::LETHAL_OBSTACLE) 
+        //         if (cost >= robot_costmap_2d::LETHAL_OBSTACLE) 
         //         {
         //             double dx = pose.position.x - space_footprint[i].x;
         //             double dy = pose.position.y - space_footprint[i].y;