tree a83c6884b990b0d3782cc1f40f69787085f4a6cd
parent 2c0ef9f411ae6081efa9eca5b3eab2dbeee45a6c
author Eric Blake <eblake@redhat.com> 1465490916 -0600
committer Markus Armbruster <armbru@redhat.com> 1467795124 +0200

opts-visitor: Favor new visit_free() function

Now that we have a polymorphic visit_free(), we no longer need
opts_visitor_cleanup(); which in turn means we no longer need
to return a subtype from opts_visitor_new() nor a public upcast
function.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-6-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>