fix build folder naming (regression of e60058ca8bf24cddddd6328d2531f09f6b8edd66)
fix build folder naming (regression of e60058ca8bf24cddddd6328d2531f09f6b8edd66)

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