The CompoundEvent needs a zero-arg ctor, as its non-zero-arg ctor does lots of

crazy stuff.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6580 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/main/java/com/threerings/presents/dobj/CompoundEvent.java

@@ -53,6 +53,12 @@ public class CompoundEvent extends DEvent
         _events = StreamableArrayList.newList();
     }
 
+    /** Used when unserializing. */
+    public CompoundEvent ()
+    {
+        super(0, Transport.DEFAULT);
+    }
+
     /**
      * Posts an event to this transaction. The event will be delivered as part of the entire
      * transaction if it is committed or discarded if the transaction is cancelled.