chore(src/util/dynamic_library): fix style warning
chore(src/util/dynamic_library): fix style warning

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