Fixed exp resetting upon teleporting cross-world (fixes BUKKIT-46. Again.)

src/main/java/net/minecraft/server/EntityPlayer.java

@@ -27,7 +27,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
     private int cc = -99999999;
     private int cd = -99999999;
     private boolean ce = true;
-    private int cf = -99999999;
+    public int cf = -99999999; // Craftbukkit - priv to pub - "lastSentExp"
     private int cg = 60;
     private ItemStack[] ch = new ItemStack[] { null, null, null, null, null};
     private int ci = 0;

src/main/java/net/minecraft/server/ServerConfigurationManager.java

@@ -703,6 +703,7 @@ public class ServerConfigurationManager {
     public void updateClient(EntityPlayer entityplayer) {
         entityplayer.updateInventory(entityplayer.defaultContainer);
         entityplayer.s_();
+        entityplayer.cf = -1; // CraftBukkit added
     }
 
     public int getPlayerCount() {