fix(frontends/lean/decl_util): bug add add_local_ref
fix(frontends/lean/decl_util): bug add add_local_ref

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