adding default template constructor (#2501)

ros-navigation · Aug 11, 2021 · 9759fd1 · 9759fd1
1 parent 3dc179e
commit 9759fd1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nav2_costmap_2d/include/nav2_costmap_2d/obstacle_layer.hpp b/nav2_costmap_2d/include/nav2_costmap_2d/obstacle_layer.hpp
@@ -224,7 +224,7 @@ class ObstacleLayer : public CostmapLayer
   /// @brief Used to project laser scans into point clouds
   laser_geometry::LaserProjection projector_;
   /// @brief Used for the observation message filters
-  std::vector<std::shared_ptr<message_filters::SubscriberBase>> observation_subscribers_;
+  std::vector<std::shared_ptr<message_filters::SubscriberBase<>>> observation_subscribers_;
   /// @brief Used to make sure that transforms are available for each sensor
   std::vector<std::shared_ptr<tf2_ros::MessageFilterBase>> observation_notifiers_;
   /// @brief Used to store observations from various sensors