* perl/Amanda/Taper/Scan/lexical.pm,
  perl/Amanda/Taper/Scan/oldest.pm (last_use_label): Fix for empty
  tapelist.


git-svn-id: https://svn.code.sf.net/p/amanda/code/amanda/branches/3_3@5913 a8d146d6-cc15-0410-8900-af154a0219e0