Fix: bad previous/next id with multi-company

htdocs/societe.class.php

@@ -41,6 +41,7 @@ class Societe extends CommonObject
 	var $error;
 	var $errors=array();
 	var $table_element = 'societe';
+	var $ismultientitymanaged = 1;	// 0=No test on entity, 1=Test with field entity, 2=Test with link by societe
 
 	var $id;
 	var $nom;