Check Skull canPlace - ensures skulls are only placed where they are supposed to.

CraftBukkit-Patches/0139-Check-Skull-canPlace.patch

@@ -0,0 +1,26 @@
+From 0cd2a0d0956c136725d42c565bc7d99d35387ea9 Mon Sep 17 00:00:00 2001
+From: md_5 <git@md-5.net>
+Date: Tue, 15 Apr 2014 10:48:35 +1000
+Subject: [PATCH] Check Skull canPlace
+
+
+diff --git a/src/main/java/net/minecraft/server/ItemSkull.java b/src/main/java/net/minecraft/server/ItemSkull.java
+index dd7e5cc..49346a6 100644
+--- a/src/main/java/net/minecraft/server/ItemSkull.java
++++ b/src/main/java/net/minecraft/server/ItemSkull.java
+@@ -45,6 +45,12 @@ public class ItemSkull extends Item {
+             if (!world.isStatic) {
+                 // CraftBukkit start - Handle in ItemBlock
+                 // world.setTypeAndData(i, j, k, Blocks.SKULL, l, 2);
++                // Spigot Start
++                if ( !Blocks.SKULL.canPlace( world, i, j, k ) )
++                {
++                    return false;
++                }
++                // Spigot End
+                 if (!ItemBlock.processBlockPlace(world, entityhuman, null, i, j, k, Blocks.SKULL, l, clickedX, clickedY, clickedZ)) {
+                     return false;
+                 }
+-- 
+1.8.3.2
+