Bug#870004: backupninja: Duplicity integration with SSH options broken because of bad version check

[Baptiste Jonglez]

This has been fixed 3 years ago upstream:

  https://0xacab.org/riseuplabs/backupninja/issues/6746
  
https://0xacab.org/riseuplabs/backupninja/commit/1017ec315fe2b5550908abd9f1f4f9e5edb0bd9d

Baptiste