Allow RFCOMM servers to bind to a ''wildcard'' RFCOMM channel zero (0). Actual RFCOMM channel will be assigned after listen(2) call is done on a RFCOMM socket bound to a ''wildcard'' RFCOMM channel zero (0).
Allow RFCOMM servers to bind to a ''wildcard'' RFCOMM channel
zero (0). Actual RFCOMM channel will be assigned after listen(2)
call is done on a RFCOMM socket bound to a ''wildcard'' RFCOMM
channel zero (0).

Address locking issues in ng_btsocket_rfcomm_bind()

Submitted by:	Heiko Wundram (Beenic) < wundram at beenic dot net >
MFC after:	1 week

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