with the new way link-dest handles symlinks.

if the file we're about to hard-link to the leader is present in
one of the dest dirs -- if it is, we adjust the text we output
accordingly.

readable, to make it output properly in double-verbose mode, and
to allow the hard-linking of symlinks and devices (if supported by
the OS).

- Got rid of some redundant output in maybe_log_item().

we need to include libresolv or not.

previously thought.

are contained by a structure.

Also added backward-compatibility code so that "rsync -h" shows the
help page on stdout like it would in older versions.

human_num() and human_dnum() functions, which both honor the
new --human-readable option.

output numbers in human-readable units if the --human-readable
option was specified.

cleanup_fname to NULL.

- Got rid of a superfluous newline.

from column 0.

- Indent the "oom:" and "skip_filters:" labels away from column 0.

specified.