Another quick fix from jmuizelaar for that "some ocaml versions dont't notice...

Another quick fix from jmuizelaar for that "some ocaml versions dont't notice wrong wildcard count in patterns" bug.

src/boot/me/type.ml

@@ -654,7 +654,7 @@ let check_stmt (cx:Semant.ctxt) : (fn_ctx -> Ast.stmt -> unit) =
       fn_ctx.fnctx_just_saw_ret <-
         match stmt.Common.node with
             Ast.STMT_ret _ | Ast.STMT_be _ | Ast.STMT_fail
-          | Ast.STMT_yield _ -> true
+          | Ast.STMT_yield -> true
           | _ -> false
     in