* perl/Amanda/Changer/robot.pm: Fix lock.
* perl/Amanda/Changer/robot.pm (_get_state): Return "failed".
* server-src/amlabel.pl (user_msg): Fix for string.


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/trunk@5717 a8d146d6-cc15-0410-8900-af154a0219e0