Refs #20725 Forum; avoid error when retrieving full username when having old ldap cache

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@21054 a0171fae-0946-0410-966d-b1775066cd26
Refs #20725 Forum; remove pdb line

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@21055 a0171fae-0946-0410-966d-b1775066cd26