Fix minecraft:item_nbt ingredient type.

src/main/java/net/minecraftforge/common/crafting/IngredientNBT.java

@@ -0,0 +1,42 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation version 2.1
+ * of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+package net.minecraftforge.common.crafting;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.crafting.Ingredient;
+
+public class IngredientNBT extends Ingredient
+{
+    private final ItemStack stack;
+    protected IngredientNBT(ItemStack stack)
+    {
+        super(stack);
+        this.stack = stack;
+    }
+
+    @Override
+    public boolean apply(@Nullable ItemStack input)
+    {
+        if (input == null)
+            return false;
+        return ItemStack.areItemStacksEqualUsingNBTShareTag(this.stack, input);
+    }
+}