Ported fix from TRUNK.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/branches@4490 b35dd754-fafc-0310-a699-88a17e54d16e

3_0_branch/src/java/org/jivesoftware/wildfire/filetransfer/ProxyConnectionManager.java

@@ -55,8 +55,6 @@ public class ProxyConnectionManager {
 
     private String className;
 
-    private ProxyTracker proxyTracker;
-
     public ProxyConnectionManager(FileTransferManager manager) {
         String cacheName = "File Transfer";
         connectionMap = new Cache<String, ProxyTransfer>(cacheName, -1, 1000 * 60 * 10);
@@ -65,7 +63,7 @@ public class ProxyConnectionManager {
                 "org.jivesoftware.wildfire.filetransfer.spi.DefaultProxyTransfer");
 
         transferManager = manager;
-        this.proxyTracker = new ProxyTracker();
+        StatisticsManager.getInstance().addStatistic(proxyTransferRate, new ProxyTracker());
     }
 
     /*
@@ -124,7 +122,6 @@ public class ProxyConnectionManager {
             }
         });
         proxyPort = port;
-        StatisticsManager.getInstance().addStatistic(proxyTransferRate, proxyTracker);
     }
 
     public int getProxyPort() {