More singleton marking.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5160 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/crowd/chat/server/ChatProvider.java

@@ -24,6 +24,7 @@ package com.threerings.crowd.chat.server;
 import java.util.Iterator;
 
 import com.google.inject.Inject;
+import com.google.inject.Singleton;
 
 import com.samskivert.util.StringUtil;
 import com.threerings.util.MessageBundle;
@@ -53,6 +54,7 @@ import com.threerings.crowd.chat.data.UserMessage;
 /**
  * The chat provider handles the server side of the chat-related invocation services.
  */
+@Singleton
 public class ChatProvider
     implements InvocationProvider
 {

src/java/com/threerings/crowd/server/PlaceRegistry.java

@@ -25,6 +25,7 @@ import java.util.Iterator;
 import java.util.List;
 
 import com.google.inject.Inject;
+import com.google.inject.Singleton;
 
 import com.samskivert.util.IntMap;
 import com.samskivert.util.IntMaps;
@@ -46,6 +47,7 @@ import static com.threerings.crowd.Log.log;
  * create new places and it will take care of instantiating and initializing a place manager to
  * manage newly created places.
  */
+@Singleton
 public class PlaceRegistry
     implements ShutdownManager.Shutdowner
 {