That is, even though source and destination are `the same,' don't fail
if the destination is a symlink. From Peter Samuelson.
&& ! x->force
/* Allow them to be the same (and don't set `same') if
- we're in move mode and they're both symlinks. */
+ we're in move mode and the target is a symlink. */
&& !(move_mode
- && S_ISLNK (src_sb.st_mode)
&& S_ISLNK (dst_sb.st_mode))
/* If we're making a backup, we'll detect the problem case in