fix(library/tactic/rewrite_tactic): bug in HoTT mode
fix(library/tactic/rewrite_tactic): bug in HoTT mode

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