Use correct path for shunit2
Use correct path for shunit2

Since:
 _Note: the script as it stands expects that you are running it from the
  "examples" directory._

shunit2 is located in ../shunit2

Signed-off-by: Osamu Aoki <a3ae759b1dbec6b0bdf17e9182cfd8b8c9716912@debian.org>

kward/shunit2