fix crypto case issue

Signed-off-by: onlyxuyang <onlyxuyang@foxmail.com>

src/write.rs

@@ -1937,7 +1937,8 @@ fn update_local_zip64_extra_field<T: Write + Seek>(
     let block = block.serialize();
     writer.write_all(&block)?;
 
-    file.extra_field = Some(block.into_vec().into());
+    let extra_field = Arc::get_mut(file.extra_field.as_mut().unwrap()).unwrap();
+    extra_field[..block.len()].copy_from_slice(&block);
 
     Ok(())
 }