Fix : [ bug #1549 ] Itïs not possible add ExtraFields

htdocs/adherents/admin/adherent_extrafields.php

htdocs/adherents/admin/adherent_type_extrafields.php

htdocs/admin/agenda_extrafields.php

htdocs/admin/order_extrafields.php

htdocs/admin/orderdet_extrafields.php

htdocs/admin/supplierinvoice_extrafields.php

htdocs/admin/supplierorder_extrafields.php

htdocs/categories/admin/categorie_extrafields.php

htdocs/comm/admin/propal_extrafields.php

htdocs/comm/admin/propaldet_extrafields.php

htdocs/compta/facture/admin/facture_cust_extrafields.php

htdocs/compta/facture/admin/facturedet_cust_extrafields.php

htdocs/contrat/admin/contract_extrafields.php

htdocs/fichinter/admin/fichinter_extrafields.php

htdocs/product/admin/product_extrafields.php

htdocs/projet/admin/project_extrafields.php

htdocs/projet/admin/project_task_extrafields.php

htdocs/societe/admin/contact_extrafields.php

htdocs/societe/admin/societe_extrafields.php

htdocs/user/admin/user_extrafields.php