Start the 2MSL timer when the socket is closed and the TCP connection is in the FIN_WAIT_2 state in order to prevent the conn. hanging there forever.
Start the 2MSL timer when the socket is closed and the TCP connection is
in the FIN_WAIT_2 state in order to prevent the conn. hanging there
forever.

Reviewed by:	davidg, olah
Submitted by:	Arne Henrik Juul <arnej@imf.unit.no>
Obtained from:	bugs@netbsd.org

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