add fix for a case when 404 response is not received yet and the image was requested second time, leading to erroneous hit in confirmed_paths; also onload instead of addEventListener was added back to support older browsers
add fix for a case when 404 response is not received yet and the image was requested second time, leading to erroneous hit in confirmed_paths; also onload instead of addEventListener was added back to support older browsers

cy6erskunk/retinajs