John Baldwin 16fd04e88e Update the manpage for openpty(3) to account for the recent fixes.
Specifically, remove the BUGS section and note that openpty(3) now always
does the various security-related steps.  Also, update the error return
value section.  The PR below is for the original bug rather than the doc
updates.

MFC after:	1 week
PR:		bin/9770
2008-01-14 23:49:56 +00:00
..
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