minor clean up
minor clean up

jack-oquin/catkin,wkentaro/catkin,asmodehn/catkin,harmishhk/catkin,wkentaro/catkin,asmodehn/catkin,ros/catkin,wkentaro/catkin,shyamalschandra/catkin,thaddeustaylor/catkin,ros/catkin,meyerj/catkin,jack-oquin/catkin,scpeters/catkin,asmodehn/catkin,meyerj/catkin,scpeters/catkin,shyamalschandra/catkin,beni55/catkin,beni55/catkin,harmishhk/catkin,beni55/catkin,harmishhk/catkin,ros/catkin,jack-oquin/catkin,thaddeustaylor/catkin,thaddeustaylor/catkin,shyamalschandra/catkin,meyerj/catkin,scpeters/catkin