Commit for graphics/atril security issue

[Kevin Oberman]

graphics/atril and atril-lite have a trivially exploitable vulnerability
that was patched upstream over a month ago nd rolled into a new release,
1.18.1. https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221867 updates
the port to this version and closes the security hole (admittedly by brute
force).

Any hope of getting this committed? Everyone using mate is vulnerable, so
this should be a fairly high priority

Thanks!
--.
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkoberman at gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683