struct filter *make_filter(struct string *glb, unsigned int include) {
    struct filter *f;
    make_ref(f);
    f->glob = glb;
    f->include = include;
    return f;
}
struct filter *make_filter(struct string *glb, unsigned int include) {
    struct filter *f;
    make_ref(f);
    f->glob = glb;
    f->include = include;
    return f;
}