ovirt-iso-uploader: Fix broken upload using ssh
ovirt-iso-uploader: Fix broken upload using ssh

- Fix incorrect string formating
- Fix a typo

Change-Id: I246f57810c19028e848db076cbe1ef26d5ab0be0
Bug-Report: https://bugzilla.redhat.com/show_bug.cgi?id=1722933
Signed-off-by: Asaf Rachmani <cf92fa3c4cb4b8f0f0e8907fa43b1321425f3c89@redhat.com>

oVirt/ovirt-iso-uploader,oVirt/ovirt-iso-uploader