From cf9d00a71a7c423ee11c3bce1748272f3ddb229f Mon Sep 17 00:00:00 2001
From: Nathan Adams <dinnerbone@dinnerbone.com>
Date: Sat, 10 Mar 2012 03:12:39 +0000
Subject: [PATCH] Re-fixed block transmutation

---
 src/main/java/net/minecraft/server/Chunk.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 02b02f3cb2..cf8697365c 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -372,6 +372,7 @@ public class Chunk {
                 flag = j >= k1;
             }
 
+            if (chunksection.a(i, j & 15, k) != l) return false; // CraftBukkit - remove next update
             chunksection.a(i, j & 15, k, l);
             int i2 = this.x * 16 + i;
             int j2 = this.z * 16 + k;