oops forgot to handle missing specials

src/entity/item/weapon.rs

@@ -893,7 +893,7 @@ impl Weapon {
         let mut result = [0u8; 16];
         result[0..3].copy_from_slice(&self.weapon.value());
         result[3] = self.grind;
-        result[4] = self.special.unwrap().value();
+        result[4] = self.special.unwrap_or(WeaponSpecial::None).value();
         
         if self.tekked == false {
             result[4] += 0x80