Fix downloading of URLs that end in a slash
* lisp/net/eww.el (eww-download-callback): Fix download URL file name. Previously this wasn't handling download URLs correctly, resulting in all downloaded pages being named "!", "!(1)", etc. (Bug#34291)
* lisp/net/eww.el (eww-download-callback): Fix download URL file name. Previously this wasn't handling download URLs correctly, resulting in all downloaded pages being named "!", "!(1)", etc. (Bug#34291)