Corrected issue displaying attachments without disposition headers

program/steps/mail/func.inc

@@ -893,7 +893,7 @@ function rcmail_parse_message($structure, $arg=array(), $recursive=FALSE)
 
       // part is file/attachment
       else if ($mail_part->disposition=='attachment' || $mail_part->disposition=='inline' || $mail_part->headers['content-id'] ||
-               (empty($mail_part->disposition) && ($mail_part->d_parameters['filename'] || $mail_part->d_parameters['name'])))
+               (empty($mail_part->disposition) && ($mail_part->d_parameters['filename'] || $mail_part->ctype_parameters['name'])))
         {
         if ($message_ctype_secondary=='related' && $mail_part->headers['content-id'])
           $sa_inline_objects[] = array('filename' => rcube_imap::decode_mime_string($mail_part->d_parameters['filename']),