rsync command in FAQ (PR#6793)

Full_Name: Morten Welinder
Version: snapshot, see see below
OS: 
Submission from: (NULL) (65.213.85.218)


The FAQ suggests running

    rsync -rC --delete rsync.R-project.org::MODULE R

which I did yesterday to get the version I have.  This command should have "-p
-t"
added so it will preserve time stamps and modes.  (Doing that will make
subsequent
rsyncs much faster.)