Add support for OCaml 4.14

Author: kit-ty-kate

api/ocaml/datakit_client.ml

@@ -45,7 +45,7 @@ module Path = struct
 
   let to_hum = Fmt.to_to_string pp
 
-  let compare = compare
+  let compare = Stdlib.compare
 
   let dirname t = match List.rev t with [] -> [] | _ :: t -> List.rev t