- pcbflags is not modified in pcb_(dis)connect, so there's no   need to save/restore it. - inp->inp_laddr should be set _before_ calling pcb_disconnect().   otherwise pcb_disconnect() calls pcb_rehash() with the old laddr.   [ currently this is not a problem since the hash ignores laddr ] tested by pedro
- pcbflags is not modified in pcb_(dis)connect, so there's no
  need to save/restore it.
- inp->inp_laddr should be set _before_ calling pcb_disconnect().
  otherwise pcb_disconnect() calls pcb_rehash() with the old laddr.
  [ currently this is not a problem since the hash ignores laddr ]
tested by pedro

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars