FIX Can not disabled an opened service line in a contract

htdocs/contrat/card.php

@@ -1643,7 +1643,7 @@ else
                     {
                         $tmpaction='activateline';
                         if ($objp->statut == 4) $tmpaction='unactivateline';
-						if (($tmpaction=='activateline' && $user->rights->contrat->activer) || ($tmpaction=='unactivateline' && $user->rights->contrat->unactiver)) {
+						if (($tmpaction=='activateline' && $user->rights->contrat->activer) || ($tmpaction=='unactivateline' && $user->rights->contrat->desactiver)) {
 							print '<a href="' . $_SERVER["PHP_SELF"] . '?id=' . $object->id . '&amp;ligne=' . $object->lines[$cursorline - 1]->id . '&amp;action=' . $tmpaction . '">';
 							print img_edit();
 							print '</a>';