Might as well stop the timer if we're cleared.

It's the closest thing to a shutdown.

I've got half a mind to write a LinkedHashMap, and then
an ExpiringHashMap on top of that, and then have
ExpiringHashSet just utilize that in its internals.
But, YAGNI, for now... for now...


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5784 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/util/ExpiringSet.as

@@ -61,6 +61,7 @@ public class ExpiringSet extends EventDispatcher
     {
         // simply trunate the data array
         _data.length = 0;
+        _timer.stop();
     }
 
     // from Set