testsuite: making it work without installing OCaml (continued)

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13690 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
update minimum flexdll version number

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13691 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02