Silence some warnings from OCaml 4.13
Most of the changes are related to the OCaml compiler now complaining when there are no .mli files.
Adding empty .mli files to executables and plugins led to the detection of dead code.
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
Most of the changes are related to the OCaml compiler now complaining when there are no .mli files.
Adding empty .mli files to executables and plugins led to the detection of dead code.