Bugfixes.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3876 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/io/ObjectOutputStream.as

@@ -29,7 +29,7 @@ public class ObjectOutputStream
         var cmap :ClassMapping = _classMap[cname];
 
         // create a class mapping if we've not got one
-        if (cmap === undefined) {
+        if (cmap == null) {
             var streamer :Streamer = Streamer.getStreamer(obj);
             // streamer may be null to indicate a Streamable object
             if (streamer === undefined) {

src/as/com/threerings/io/Streamer.as

@@ -42,7 +42,7 @@ public class Streamer
             createStreamers();
         }
 
-        for (var ii :int = 0; ii < _streamers.lenght; ii++) {
+        for (var ii :int = 0; ii < _streamers.length; ii++) {
             if (_streamers[ii].isStreamerFor(obj)) {
                 return _streamers[ii];
             }

src/as/com/threerings/presents/client/Client.as

@@ -292,7 +292,7 @@ public class Client extends EventDispatcher
     protected var _bstrap :BootstrapData;
 
     /** Manages invocation services. */
-    protected var _invdir :InvocationDirector;
+    protected var _invdir :InvocationDirector = new InvocationDirector();
 
     /** Ticks. */
     protected var _tickInterval :Timer;