* \param psz_dest destination file path
* \return nothing
*/
-void update_download( update_iterator_t *p_uit, char *psz_dest )
+void update_download( update_iterator_t *p_uit, const char *psz_dest )
{
download_thread_t *p_dt =
vlc_object_create( p_uit->p_u->p_libvlc, sizeof( download_thread_t ) );