Default value (=empty array) for excluded objects

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3580 a333f486-631f-4898-b8df-5754b55c2be0

core/displayablegraph.class.inc.php

@@ -982,7 +982,7 @@ class DisplayableGraph extends SimpleGraph
 	 * @param ApplicationContext $oAppContext
 	 * @param array $aExcludedObjects
 	 */
-	function Display(WebPage $oP, $aResults, $sRelation, ApplicationContext $oAppContext, $aExcludedObjects)
+	function Display(WebPage $oP, $aResults, $sRelation, ApplicationContext $oAppContext, $aExcludedObjects = array())
 	{	
 		$aExcludedByClass = array();
 		foreach($aExcludedObjects as $oObj)