oml.0.0.6: add missing cppo_ocamlbuild (#12897)
oml.0.0.6: add missing cppo_ocamlbuild (#12897)

Signed-off-by: Marcello Seri <34fd14c67154e888f6587d5c0e7eadd13aaf7ca7@gmail.com>

fdopen/opam-repository-mingw,fdopen/opam-repository-mingw