Millis, not seconds.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@322 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/media/sound/SoundManager.java

@@ -582,7 +582,7 @@ public class SoundManager
             drainTime += 500;
 
             // subtract out time we've already spent doing things.
-            drainTime -= (System.currentTimeMillis() - startTime) / 1000;
+            drainTime -= System.currentTimeMillis() - startTime;
 
             try {
                 Thread.sleep(drainTime);