Log Message:
p5-Net-OpenSSH: update to 0.79.

0.79  Apr 29, 2020
        - Don't clobber $? in disconnect (bug report by Slaven Rezic,
          #rt129350).
        - Silence spurious warnings being generated in _set_error (bug
          report by Jaroslav Reindl, #rt132449).
	- Error handling in _master_check method was broken.
	- Fix documentation error (patch by Martin Barth)