Corrigir warnings do lintian no le-lab
W: le-lab source: out-of-date-standards-version 3.9.7 (current is 3.9.8)
W: le-lab: maintainer-script-calls-systemctl postinst:76
W: le-lab: maintainer-script-calls-systemctl postinst:77
W: le-lab: maintainer-script-calls-systemctl postinst:79