Fix getDisplayName getting lost when getBukkitEntity is called

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

@@ -50,8 +50,14 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
         this.name = s;
         this.c = iteminworldmanager;
         this.height = 0.0F;
+
+        // CraftBukkit start
+        this.displayName = this.name;
     }
 
+    public String displayName;
+    // CraftBukkit end
+
     public void l() {
         this.activeContainer.a((ICrafting) this);
     }

src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java

@@ -17,11 +17,9 @@ import org.bukkit.craftbukkit.TextWrapper;
 import org.bukkit.entity.Player;
 
 public class CraftPlayer extends CraftHumanEntity implements Player {
-    private String name;
 
     public CraftPlayer(CraftServer server, EntityPlayer entity) {
         super(server, entity);
-        name = getName();
     }
 
     public boolean isOp() {
@@ -88,11 +86,11 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
     }
 
     public String getDisplayName() {
-        return name;
+        return getHandle().displayName;
     }
 
     public void setDisplayName(final String name) {
-        this.name = name;
+        getHandle().displayName = name;
     }
 
     @Override