MFC r255340:

Long URLs don't always appear even with autosizing and other tricks. So,
add some whitespace to put the URL on a line by itself, maximizing view.

MFC r255341:

Remove unnecessary mediaClose (FTP operations are done with either ftp(1)
or fetch(1), neither of which are stateful, compared to how sysinstall(8)
did FTP operations, maintaining an open session until mediaClose).