Fixes bug #9512 : pdf merge fails on encrypted PDFs. Try to use qpdf to decrypt.

3 jobs for B9512pdfMergeFails in 2 minutes and 47 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Before
passed #3754
documentation

00:00:41

 
  Build
passed #3755
snapshot

00:01:23

 
  Selenium
passed #3756
selenium

00:00:42