Add dictionnary mail for contract

htdocs/admin/dict.php

@@ -557,6 +557,7 @@ if ($id == 25)
 	if ($conf->fournisseur->enabled) $elementList['order_supplier_send']=$langs->trans('MailToSendSupplierOrder');
 	if ($conf->fournisseur->enabled) $elementList['invoice_supplier_send']=$langs->trans('MailToSendSupplierInvoice');
 	if ($conf->societe->enabled) $elementList['thirdparty']=$langs->trans('MailToThirdparty');
+	if ($conf->contrat->enabled) $elementList['contract']=$langs->trans('MailToSendContract');
 
 	$parameters=array('elementList'=>$elementList);
 	$reshook=$hookmanager->executeHooks('emailElementlist',$parameters);    // Note that $action and $object may have been modified by some hooks