chore(library/blast/congruence_closure): fix style
chore(library/blast/congruence_closure): fix style

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