SQL script to be applied to a 5.2 server to prevent the update of originalfile
path and name with certain variations in the use of "/" characters. This
script should be executed against the OMERO database e.g.:

$ psql -U db_user omero_database < OMERO5.2-index-files.sql

See https://www.openmicroscopy.org/security/advisories/2017-SV5-filename-2