• Fix hpssd Denial of Service

This can be exploited to crash the service by sending specially crafted
requests to the default port 2207/TCP.

PR: 129097
Submitted by: Eygene Ryabinkin <rea-fbsd@codelabs.ru>
Approved by: maintainer
Security: http://www.vuxml.org/freebsd/37940643-be1b-11dd-a578-0030843d3802.html