modified force cmake line to not be a warning
modified force cmake line to not be a warning

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