fix minor bug when dealing with publishing scenes with octomaps
fix minor bug when dealing with publishing scenes with octomaps

davetcoleman/moveit,davetcoleman/moveit,ros-planning/moveit,v4hn/moveit,v4hn/moveit,v4hn/moveit,ros-planning/moveit,ros-planning/moveit,v4hn/moveit,ros-planning/moveit,davetcoleman/moveit,ros-planning/moveit,davetcoleman/moveit