Apply a patch after FreeBSD-SA-11:07.chroot which addresses an arbitrary
code execution vulnerability.
Please note that in order to build this the system needs to be patched
with FreeBSD-SA-11:07.chroot and the resulting binary also needs to the
change because it depends on a new libc API.
Feature safe: yes
With hat: ports-security
Approved by: portmgr (linimon)