Log Message:
security/hitch: Update to 1.4.8.

hitch-1.4.8 (2018-04-19)
------------------------

- Reworked the dynamic backend bits.
- Update docs to recommend running Hitch as a separate non-privileged
  user.

hitch-1.4.7 (2018-01-11)
------------------------

- Massive test suite refactor and update.
- Fix OpenBSD/FreeBSD/POSIX portability issues: restrict fstat(1) to
  OpenBSD, bring sockstat(1) support back, drop pathchk(1) usage in
  the test suite, switch from sockstat(1) to fstat(1)
- Add an OCSP refresh timeout parameter
- Autotools polish
- Random usage of config section if reduntant
- Support for separate key files
- Fix logging to syslog even when set to syslog = off
- Making log-filename, recv-bufsize and send-bufsize parameters
  available though command line and config file.
- Fix: global backaddr is assumed to be static
- Add support for session-cache in config file and as cmdline option
- Plug file descriptor leak: killing worker processes would leave the
  pipe's write end open, leaking one file descriptor per worker upon
  reload