make worktable inventory adapter a private static class

src/main/java/forestry/factory/gadgets/TileWorktable.java

@@ -50,12 +50,7 @@ public class TileWorktable extends TileBase implements ICrafter {
 
 	public TileWorktable() {
 		craftingInventory = new TileInventoryAdapter(this, 10, "CraftItems");
-		setInternalInventory(new TileInventoryAdapter(this, 18, "Items") {
-			@Override
-			public boolean canSlotAccept(int slotIndex, ItemStack itemStack) {
-				return GuiUtil.isIndexInRange(slotIndex, SLOT_INVENTORY_1, SLOT_INVENTORY_COUNT);
-			}
-		});
+		setInternalInventory(new WorktableInventoryAdapter(this));
 
 		memorized = new RecipeMemory();
 	}
@@ -212,4 +207,15 @@ public class TileWorktable extends TileBase implements ICrafter {
 	public InventoryAdapter getCraftingInventory() {
 		return craftingInventory;
 	}
+
+	private static class WorktableInventoryAdapter extends TileInventoryAdapter {
+		public WorktableInventoryAdapter(TileWorktable worktable) {
+			super(worktable, 18, "Items");
+		}
+
+		@Override
+		public boolean canSlotAccept(int slotIndex, ItemStack itemStack) {
+			return GuiUtil.isIndexInRange(slotIndex, SLOT_INVENTORY_1, SLOT_INVENTORY_COUNT);
+		}
+	}
 }