Comment 4 for bug 531754

i put your output in terminal and i had this :

libswt-gtk-3.5-jni:
  Installato: 3.5.1+versionbump-2ubuntu2
  Candidato: 3.5.1+versionbump-2ubuntu2
  Tabella versione:
 *** 3.5.1+versionbump-2ubuntu2 0
        500 http://it.archive.ubuntu.com/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status

I hope it helps you

regards