[Bleeding] Cleanup clone methods.

src/main/java/org/bukkit/material/Pumpkin.java

@@ -89,4 +89,9 @@ public class Pumpkin extends MaterialData implements Directional {
     public String toString() {
         return super.toString() + " facing " + getFacing() + " " + (isLit() ? "" : "NOT ") + "LIT";
     }
+
+    @Override
+    public Pumpkin clone() {
+        return (Pumpkin) super.clone();
+    }
 }