chore(travis): fix Lua packages (OSX)
chore(travis): fix Lua packages (OSX)

digama0/lean,leanprover-community/lean,leanprover/lean,codyroux/lean0.1,leanprover/lean,johoelzl/lean,digama0/lean,leodemoura/lean,rlewis1988/lean,soonhokong/lean-osx,fgdorais/lean,Kha/lean,fpvandoorn/lean,fgdorais/lean,levnach/lean,digama0/lean,fpvandoorn/lean,avigad/lean,Kha/lean,htzh/lean,johoelzl/lean,leanprover-community/lean,soonhokong/travis_test,leodemoura/lean,fgdorais/lean,sp3ctum/lean,rlewis1988/lean,javra/lean,soonhokong/travis_test,sp3ctum/lean,soonhokong/lean-osx,levnach/lean,fpvandoorn/lean2,c-cube/lean,soonhokong/lean-windows,dselsam/lean,sp3ctum/lean,eigengrau/lean,soonhokong/lean-windows,codyroux/lean0.1,johoelzl/lean,soonhokong/lean,johoelzl/lean,digama0/lean,soonhokong/lean-osx,fpvandoorn/lean2,fgdorais/lean,leodemoura/lean,leodemoura/lean,fpvandoorn/lean2,UlrikBuchholtz/lean,leodemoura/lean,soonhokong/lean-osx,avigad/lean,eigengrau/lean,soonhokong/lean-windows,dselsam/lean,soonhokong/lean,johoelzl/lean,javra/lean,leanprover/lean,fpvandoorn/lean,soonhokong/lean,digama0/lean,UlrikBuchholtz/lean,c-cube/lean,dselsam/lean,dselsam/lean,javra/lean,fgdorais/lean,leanprover-community/lean,Kha/lean,soonhokong/lean-osx,levnach/lean,codyroux/lean0.1,soonhokong/lean-windows,avigad/lean,soonhokong/travis_test,eigengrau/lean,leanprover-community/lean,htzh/lean,sp3ctum/lean,UlrikBuchholtz/lean,leodemoura/lean,soonhokong/lean-windows,soonhokong/lean,UlrikBuchholtz/lean,rlewis1988/lean,soonhokong/lean,avigad/lean,digama0/lean,avigad/lean,c-cube/lean,fpvandoorn/lean,leanprover-community/lean,johoelzl/lean,rlewis1988/lean,rlewis1988/lean,fpvandoorn/lean,levnach/lean,eigengrau/lean,htzh/lean,fpvandoorn/lean2,Kha/lean,leanprover-community/lean,htzh/lean,leanprover/lean,Kha/lean,javra/lean,leanprover/lean,fgdorais/lean,dselsam/lean,levnach/lean,codyroux/lean0.1,sp3ctum/lean,avigad/lean,c-cube/lean,eigengrau/lean,soonhokong/travis_test,Kha/lean,c-cube/lean,fpvandoorn/lean2,UlrikBuchholtz/lean,javra/lean,dselsam/lean,htzh/lean,fpvandoorn/lean,rlewis1988/lean,leanprover/lean