There was no reason to adjust rabbitmq_package_version previously, as
replaced by the wildcard part is never changed, so patching that doesn't
have any practical sense. We also return `-1` to erlang spec, so that
wildcard would match only the part we expect to change.
This partially reverts I99683a031f935b579d38ae457c484c9a150344c6
Change-Id: Ie2e783d065f32b906ee1554abaf5dc3b24236ca8