Bug#352589: openssh sftp-server can't SSH_FXP_RENAME on FAT32

[Richard Kettlewell <rjk@greenend.org.uk>]

Package: openssh
Version: 1:3.8.1p1-8.sarge.4

If you ask sftp to do SSH_FXP_RENAME then rather than using rename()
it does link() and then unlink().  This isn't without good reason, but
unfortunately this does not work if the target filesystem does not
support link().

(In my case the target is a USB hard disk, formatted to FAT32 because
that's the only filesystem that all my platforms can agree on.  Its
lack of useful semantics isn't otherwise a problem for my
application.)

ttfn/rjk