fix : The property num_prelevement does not seem to exist on PaiementFourn

htdocs/fourn/class/paiementfourn.class.php

@@ -72,6 +72,11 @@ class PaiementFourn extends Paiement
 	 */
 	public $id_prelevement;
 
+	/**
+	 * @var string num_prelevement
+	 */
+	public $num_prelevement;
+
 
 	/**
 	 *	Constructor