Fix internal manpage references in cupsd.conf.man
Fix internal manpage references in cupsd.conf.man

Report-By: Helge Kreutzmann <a6eb4d9d7f99ca47abe56f3220597663cf37ca4a@helgefjell.de>

OpenPrinting/cups,apple/cups,apple/cups,OpenPrinting/cups,apple/cups,OpenPrinting/cups,apple/cups,OpenPrinting/cups