Martin Blapp e4936f3763 Free tty struct after last close. This should fix the pty-leak by numbers.
Remove workarounds for tty_refcount beeing 0, this will be fixed differently
later.

Back out rev 1.145 since we initialize the tty struct from scratch and bad
things can't happen anymore.
2006-09-29 09:52:57 +00:00
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