Fix bug FactureLine update for PgSQL
http://www.dolibarr.fr/forum/527-bugs-sur-la-version-stable-courante/41317-impossible-de-modifier-une-ligne-de-facture#41422
Merge branch '3.3' of https://github.com/Dolibarr/dolibarr.git into 3.3
required once instead of require
Merge pull request #853 from FHenry/3.3

3.3