Bug fix.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/constructors_with_record5@15549 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Plumbing into ocamldoc.  Annotations are still not collected in inlined records, and all backends fail on inline records.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/constructors_with_record5@15550 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02