fix sla #4551 - Initial effort in selectbox field

Change-Id: Ibde7dab6f617fde581aba00e7d30bc25ce71f982
Merge commit 'refs/changes/70/670/4' of http://gerrit.tuleap.net/tuleap into HEAD

* http://gerrit.tuleap.net/tuleap:
  fix sla #4551 - Initial effort in selectbox field

Change-Id: Ib7c145e06ebf701a3c83f0f0025599bdda4fb099
This is Tuleap 6.2.99.40

Change-Id: I6fbc76fcdaf35212fb7297ef5ffdc1f7ae4eba87