Bug 25693: Set correct permissions on logdir after an upgrade

Bug 25693: Set correct permissions on logdir after an upgrade

Since bug 25172 we are failing loudly if the permissions are not correct
and that the logger cannot init successfully.

We must set the correct permission on upgrading.
koha-create deals with new installs

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>