Fix request #5543 - Unable to approve a project

Change-Id: I2290d534fce2eb86f1e2bb505f72c3dcb5019079
Merge commit 'refs/changes/23/1423/2' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #5543 - Unable to approve a project

Change-Id: I91197cf123743ecbf08525a2cc159f02cc054f3f
Tuleap 6.6.99.35

Change-Id: Ieee0c8e8b4ee26abebb2a43e2c2a3d03ce2d8f59