Pass in the expected type to readObject anywhere the code would clearly convert the wrong type to null anyway

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5440 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/crowd/data/PlaceObject.as

@@ -206,9 +206,9 @@ public class PlaceObject extends DObject
     override public function readObject (ins :ObjectInputStream) :void
     {
         super.readObject(ins);
-        occupants = (ins.readObject() as OidList);
-        occupantInfo = (ins.readObject() as DSet);
-        speakService = (ins.readObject() as SpeakMarshaller);
+        occupants = (ins.readObject(OidList) as OidList);
+        occupantInfo = (ins.readObject(DSet) as DSet);
+        speakService = (ins.readObject(SpeakMarshaller) as SpeakMarshaller);
     }
 }
 }