Fixed camera info warning (#1175)

Signed-off-by: Alejandro Hernández Cordero <[email protected]>

Author: ahcorde

rviz_default_plugins/include/rviz_default_plugins/displays/camera_info/camera_info_display.hpp

@@ -74,7 +74,7 @@ class RVIZ_DEFAULT_PLUGINS_PUBLIC CameraInfoDisplay
   void reset() override;
 
 protected:
-  void processMessage(const sensor_msgs::msg::CameraInfo::ConstSharedPtr msg);
+  void processMessage(const sensor_msgs::msg::CameraInfo::ConstSharedPtr msg) override;
 
   void update(float wall_dt, float ros_dt) override;
   bool isSameCameraInfo(