after using llTakeControls my sim receives about 200 messages per second,
l of which get queued , this could be because there is no lag as the viewer
and sim are on the same computer. The patch I have included checks to see if
the "Changed" param is 0 then searches the EventQueue for Control messages
being sent to the same localid, if it finds a message already in the Queue
and Changed==0 then the new message is only notifing you the key is being held,
since there is already a message the new one isnt needed so it isnt added
to the queue.