Updated SSH Demo doc in line with error in #2003

[kilasuit]

This helps others get setup with the SSH Demo and stops them from getting the error that is reported in #2003 but does not fix the error message being output.

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[kilasuit]

This will stop Questions like this being asked in the community as see on reddit https://www.reddit.com/r/PowerShell/comments/4ziw85/anyone_manage_to_get_enterpssession_or/?utm_source=ifttt

[PaulHigin]

This looks good to me. But I would add something to indicate that adding the OpenSSH path is an alternative to providing the full ssh.exe path in the sshd_config file.

[kilasuit]

@PaulHigin - where is it that your referring to in the sshd_config file as I don't have any paths in my file that links to ssh.exe in there at all.

The only close one I have in my sshd_config is
Subsystem sftp C:/Program Files/OpenSSH/sftp-server.exe

Happy to add to it if I know what it is that I need to add in :-)

[PaulHigin]

Sorry! I was thinking of sshd.exe and not ssh.exe. Please disregard the above comment. I think this change is good as is.