Fix gcc

See merge request !1548
9 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:11:21

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

01:30:37

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

12:35:20

passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:26:33

failed SlapOS.SoftwareReleases.IntegrationTest-Master

13:03:57

passed SlapOS.Theia.ResilienceTest-Master-ERP5

11:44:50

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:41:12