Fix bug with BigClip causing sound threads to hang around indefinitely.
Fix bug with BigClip causing sound threads to hang around indefinitely.

BigClip was automatically opening/closing lines and this was leading to deadlock. Let the user of the BigClip open/close then as usual and it all works much better.

threerings/playn,threerings/playn,ruslansennov/playn,ruslansennov/playn,threerings/playn,ruslansennov/playn,threerings/playn