We need to dispose() our clip buffers on the main thread.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4095 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/openal/SoundManager.java

@@ -132,11 +132,15 @@ public class SoundManager
         _clips.setRemovalObserver(
             new LRUHashMap.RemovalObserver<Comparable,ClipBuffer>() {
             public void removedFromMap (LRUHashMap<Comparable,ClipBuffer> map,
-                                        ClipBuffer item) {
+                                        final ClipBuffer item) {
+                _rqueue.postRunnable(new Runnable() {
+                    public void run () {
                         Log.debug("Flushing " + item.getKey());
                         item.dispose();
                     }
                 });
+            }
+        });
 
         // create our loading queue
         _toLoad = new Queue();