examples/use_api: update for eb751c1b

For some reason, these changes were not merged in from master
with the rest of the commit.

examples/use_api/create_session.ml

@@ -42,7 +42,7 @@ let provers =
   Whyconf.Mprover.fold
     (fun _ p acc ->
       try
-        let d = Driver.load_driver env p.Whyconf.driver [] in
+        let d = Whyconf.load_driver main env p.Whyconf.driver [] in
         (p,d)::acc
       with e ->
         let p = p.Whyconf.prover in

examples/use_api/logic.ml

@@ -85,7 +85,7 @@ let env : Env.env = Env.create_env (Whyconf.loadpath main)
 (* loading the Alt-Ergo driver *)
 let alt_ergo_driver : Driver.driver =
   try
-    Driver.load_driver env alt_ergo.Whyconf.driver []
+    Whyconf.load_driver main env alt_ergo.Whyconf.driver []
   with e ->
     eprintf "Failed to load driver for alt-ergo: %a@."
       Exn_printer.exn_printer e;