Updated some bits.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4058 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/presents/net/PingRequest.as

@@ -7,14 +7,14 @@ public class PingRequest extends UpstreamMessage
     /** The number of milliseconds of idle upstream that are allowed to elapse
      * before the client sends a ping message to the server to let it
      * know that we're still alive. */
-    public static const PING_INTERVAL :int = 60 * 1000;
+    public static const PING_INTERVAL :uint = 60 * 1000;
 
     public function PingRequest ()
     {
         super();
     }
 
-    public function getPackStamp () :Number
+    public function getPackStamp () :uint
     {
         return _packStamp;
     }
@@ -22,11 +22,11 @@ public class PingRequest extends UpstreamMessage
     // documentation inherited
     public override function writeObject (out :ObjectOutputStream) :void
     {
-        _packStamp = new Date().getTime();
+        _packStamp = flash.util.getTimer();
         super.writeObject(out);
     }
 
     /** A time stamp obtained when we serialize this object. */
-    protected var _packStamp :Number;
+    protected var _packStamp :uint;
 }
 }