Fix: Database compatibility

htdocs/adherents/class/adherent_type.class.php

htdocs/compta/bank/class/account.class.php

htdocs/compta/dons/class/don.class.php

htdocs/compta/prelevement/class/rejet-prelevement.class.php

htdocs/compta/prelevement/stats.php

htdocs/fourn/class/fournisseur.class.php

htdocs/fourn/class/fournisseur.commande.class.php

htdocs/fourn/class/fournisseur.product.class.php

htdocs/includes/modules/modFournisseur.class.php

htdocs/lib/databases/mssql.lib.php

htdocs/lib/databases/mysql.lib.php

htdocs/lib/databases/mysqli.lib.php

htdocs/lib/databases/pgsql.lib.php

htdocs/product/class/product.class.php

htdocs/societe/class/client.class.php

htdocs/societe/class/companybankaccount.class.php

htdocs/user/class/usergroup.class.php