man synopsis states [-n -logfile] option. Later on in avrdude.1 as well as in
main.c -l is used.
Also '-logfile' is no option alternative but a parameter.
This is a minor issue but still confusing when one uses / to search
through man pages.
-- Always leave the code cleaner than you found it --
Signed-off-by: brutzzl3r <s3b.gr0ss@gmail.com>
