contrib/sshfs-benchmark.bash: add rmdir, mkdir, touch

And also, stop using the wrong directory for sshfs git init.

sshfs-benchmark.bash:    sshfs  gocryptfs-on-sshfs
git init                  4.35                7.82
rsync                     7.72               11.66
rm -R                     2.71               11.04
mkdir                     1.33                4.15
rmdir                     0.47                3.97
touch                     2.32                2.85
rm                        0.45                0.45

0 files changed, 0 insertions, 0 deletions