Update CraftBukkit to Minecraft 1.7.2

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

@@ -3,9 +3,9 @@ package net.minecraft.server;
 public class TileEntitySign extends TileEntity {
 
     public String[] lines = new String[] { "", "", "", ""};
-    public int b = -1;
+    public int i = -1;
     public boolean isEditable = true; // CraftBukkit - private -> public
-    private EntityHuman d;
+    private EntityHuman k;
 
     public TileEntitySign() {}
 
@@ -42,7 +42,7 @@ public class TileEntitySign extends TileEntity {
         }
         // CraftBukkit end
 
-        return new Packet130UpdateSign(this.x, this.y, this.z, astring);
+        return new PacketPlayOutUpdateSign(this.x, this.y, this.z, astring);
     }
 
     public boolean a() {
@@ -50,10 +50,10 @@ public class TileEntitySign extends TileEntity {
     }
 
     public void a(EntityHuman entityhuman) {
-        this.d = entityhuman;
+        this.k = entityhuman;
     }
 
     public EntityHuman b() {
-        return this.d;
+        return this.k;
     }
 }