Bug 25394: Cronjob path in the AuthorityMergeLimit syspref description is wrong

Bug 25394: Cronjob path in the AuthorityMergeLimit syspref description is wrong

Test plan:
1- Apply patch
2- Go to Administration > Global system preferences > Authorities
3- The path to merge_authorities.pl in the AuthorityMergeLimit
description should now read misc/cronjobs/merge_authorities.pl

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 772205bab5c7d6720ca6d25244c04cdf7649a96f)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>