component/tesseract: Workaround for slaprunner paths with double slashs

This is basically the same problem as in 1b291415
(component/ghostscript: Workaround for slaprunner paths with double
slashs, 2021-06-02)
5 jobs for fix/tesseract-slaprunner
Status Job ID Name Coverage
  External
running ERP5.UnitTest-TesseractDoubleSlash

31706:12:34

running SlapOS.Eggs.UnitTest-Master.Python2

31706:11:14

running SlapOS.Eggs.UnitTest-Master.Python3

31706:11:25

running SlapOS.SlapRunner.ResilienceTest-Master

31706:11:21

running SlapOS.SlapRunner.ResilienceTest-Master.ERP5

31706:12:11