Update CraftBukkit to 1.6.1

src/main/java/org/bukkit/craftbukkit/inventory/CraftEntityEquipment.java

@@ -1,5 +1,7 @@
 package org.bukkit.craftbukkit.inventory;
 
+import net.minecraft.server.EntityInsentient;
+
 import org.bukkit.craftbukkit.entity.CraftLivingEntity;
 import org.bukkit.entity.Entity;
 import org.bukkit.inventory.EntityEquipment;
@@ -133,10 +135,10 @@ public class CraftEntityEquipment implements EntityEquipment {
     }
 
     private void setDropChance(int slot, float chance) {
-        entity.getHandle().dropChances[slot] = chance - 0.1F;
+        ((EntityInsentient) entity.getHandle()).dropChances[slot] = chance - 0.1F;
     }
 
     private float getDropChance(int slot) {
-        return entity.getHandle().dropChances[slot] + 0.1F;
+        return ((EntityInsentient) entity.getHandle()).dropChances[slot] + 0.1F;
     }
 }

src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryHorse.java

@@ -0,0 +1,25 @@
+package org.bukkit.craftbukkit.inventory;
+
+import net.minecraft.server.IInventory;
+
+public class CraftInventoryHorse extends CraftInventory {
+    private final IInventory resultInventory = null;
+
+    public CraftInventoryHorse(IInventory inventory) {
+        super(inventory);
+    }
+
+    public IInventory getResultInventory() {
+        return resultInventory;
+    }
+
+    public IInventory getIngredientsInventory() {
+        return inventory;
+    }
+
+    @Override
+    public int getSize() {
+        //return getResultInventory().getSize() + getIngredientsInventory().getSize();
+        return getIngredientsInventory().getSize();
+    }
+}