Paper/nms-patches/EntityVillager.patch

--- a/net/minecraft/server/EntityVillager.java
+++ b/net/minecraft/server/EntityVillager.java
@@ -2,6 +2,7 @@
 
 import java.util.Iterator;
 import java.util.Random;
+import org.bukkit.craftbukkit.entity.CraftVillager; // CraftBukkit
 
 public class EntityVillager extends EntityAgeable implements IMerchant, NPC {
 
@@ -29,7 +30,7 @@
 
     public EntityVillager(World world, int i) {
         super(world);
-        this.inventory = new InventorySubcontainer("Items", false, 8);
+        this.inventory = new InventorySubcontainer("Items", false, 8, (CraftVillager) this.getBukkitEntity()); // CraftBukkit add argument
         this.setProfession(i);
         this.setSize(0.6F, 1.8F);
         ((Navigation) this.getNavigation()).b(true);