Wrong quoting chase.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13717 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Wrong quoting chase.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@13718 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02