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

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