Compilation fixes: these classes weren't referenced before and so weren't

compiling, but I'm playing around with building .swc libraries to cut
down on the build time of the client.


git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@46 c613c5cb-e716-0410-b11b-feb51c14d237

src/as/com/threerings/whirled/spot/data/Cluster.as

@@ -68,7 +68,7 @@ public class Cluster extends Rectangle
     /**
      * Generates a string representation of this instance.
      */
-    public function toString () :String
+    override public function toString () :String
     {
         return super.toString() + ", clusterOid=" + clusterOid;
     }

src/as/com/threerings/whirled/spot/data/ClusterObject.as

@@ -24,8 +24,6 @@ package com.threerings.whirled.spot.data {
 import com.threerings.presents.dobj.DObject;
 import com.threerings.presents.dobj.OidList;
 
-import com.threerings.crowd.chat.data.SpeakObject;
-
 /**
  * Used to dispatch chat in clusters.
  */

src/as/com/threerings/whirled/util/UpdateList.as

@@ -59,7 +59,7 @@ public class UpdateList
             } else if (gotVersion < expVersion) {
                 // we somehow got an update that's older than updates we
                 // already have? wick wick wack
-                throw new IllegalArgumentError("Invalid update version " +
+                throw new ArgumentError("Invalid update version " +
                     "[want=" + expVersion + ", got=" + update + "]");
             }
         }