Fix: pgql compatibility

htdocs/adherents/class/adherentstats.class.php

htdocs/comm/propal.php

htdocs/comm/propal/class/propalestats.class.php

htdocs/commande/class/commandestats.class.php

htdocs/commande/liste.php

htdocs/compta/deplacement/class/deplacementstats.class.php

htdocs/compta/facture/class/facturestats.class.php

htdocs/compta/propal.php

htdocs/compta/sociales/index.php

htdocs/compta/stats/comp.php

htdocs/compta/tva/quadri.php

htdocs/expedition/class/expeditionstats.class.php

htdocs/lib/accountancy.lib.php