Read (and enqueue) packets from interactive input even when we're waiting for a key exchange. This should hopefully fix the situation where "~." doesn't work to terminate a client session when a laptop wakes up. The client will be stuck waiting for a key exchange on a dead connection, so won't have read the escape character

/etc/init.d/dropbear
/etc/dropbear/run
/etc/dropbear/log/run