Bug#616372: confirm the bug is fixed in 0.7.50+dfsg-2

[jan lana]

confirm the bug is fixed in 0.7.50+dfsg-2

tested on wheezy +
   libpodofo0.9.0 (0.9.0-1) …
   calibre-bin (0.7.50+dfsg-2) …
   calibre (0.7.50+dfsg-2) …