Add pts/pty to the un-hidden devices for logins.  This un-breaks logins to jailed environments when the system is using PTS style ptys (kern.pts.enable=1).
Add pts/pty to the un-hidden devices for logins.  This un-breaks
logins to jailed environments when the system is using PTS style
ptys (kern.pts.enable=1).

Discussed with:	rwatson
MFc after:	1 week

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