mongodump no longer works in 1.7.5.

david@backup1 ~: /home/david/mongodb/latest/bin/mongodump --host localhost --db sd --collection alerts --out test
connected to: localhost
DATABASE: sd to test/sd
sd.alerts to test/sd/alerts.bson
assertion: 13106 nextSafe():

{ $err: "unrecognized command: availablequeryoptions", code: 13390 }