security/aespipe: update v2.3e -> v2.4c

PR:		193992
Submitted by:	Ekkehard Gehm <gehm@doom-labs.net>
Approved by:	mentors (implicit)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370652 35697150-7ecd-e111-bb59-0022644237b5