- Prevent weirdness when trying to remove our child.. someone we may get

a ROLL_OUT without having first got a ROLL_OVER?
- Clicks that land on the video control should be stopped there and not
  allowed to trickle back up, potentially triggering the furni action that
  someone's set on the video.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4611 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/util/VideoDisplayer.as

@@ -123,11 +123,16 @@ public class VideoDisplayer extends Sprite
 
     protected function handleRollOut (event :MouseEvent) :void
     {
-        removeChild(_pauser);
+        if (_pauser.parent) {
+            removeChild(_pauser);
+        }
     }
 
     protected function handleClick (event :MouseEvent) :void
     {
+        // the buck stops here!
+        event.stopImmediatePropagation();
+
         if (_paused) {
             _netStream.resume();
             _paused = false;