component/glib: fix compilation on older Debian

10 jobs for 1.0
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

failed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

passed SlapOS.Eggs.UnitTest-Master.Python2

00:26:05

passed SlapOS.Eggs.UnitTest-Master.Python3

passed SlapOS.Eggs.UnitTest-TestRunner1.Python3

00:20:00

failed SlapOS.SoftwareReleases.IntegrationTest-Master

passed SlapOS.Theia.ResilienceTest-Master-ERP5

passed SlapOS.Eggs.UnitTest-Master.Python2

passed SlapOS.Eggs.UnitTest-TestRunner1.Python3