* perl/Amanda/Changer/robot.pm: Fix BROKEN-DRIVE-LOADED-SLOT.
* installcheck/Amanda_Changer_robot.pl: Fix test.


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/trunk@5986 a8d146d6-cc15-0410-8900-af154a0219e0