Don't add /usr/lib/ooc and /usr/local/lib/ooc if they don't exist. Closes #536
Don't add /usr/lib/ooc and /usr/local/lib/ooc if they don't exist. Closes #536

zhaihj/rock,kirbyfan64/rock,thomasfanell/rock,ooc-lang/rock,fasterthanlime/rock,ooc-lang/rock,marcusnaslund/rock,fredrikbryntesson/rock,davidhesselbom/rock,ds84182/rock,marcusnaslund/rock,jonathanudd/rock,magic-lang/rock,thomasfanell/rock,magic-lang/rock,ds84182/rock,jonathanudd/rock,shamanas/rock,fasterthanlime/rock,davidhesselbom/rock,shamanas/rock,zhaihj/rock,cogneco/rock,fredrikbryntesson/rock,kirbyfan64/rock,cogneco/rock