component/pcre: fix the download link

4 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
failed SlapOS.SlapRunner.ResilienceTest-Master

00:00:35

failed SlapOS.SlapRunner.ResilienceTest-Master

00:00:32

failed SlapOS.SlapRunner.ResilienceTest-Master

00:00:31

failed SlapOS.SlapRunner.ResilienceTest-Master

00:00:37