fix(emacs/lean-tags): support windows
fix(emacs/lean-tags): support windows

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