fix(kernel/formatter): fixes #21
fix(kernel/formatter): fixes #21

Signed-off-by: Leonardo de Moura <7610bae85f2b530654cc716772f1fe653373e892@microsoft.com>

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