ci-build: fix wrong variable name

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14851 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
change version number after branching 4.02

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14853 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02