Customer portal : Manage brick : Displaying objects from a class without friendlyname raised an exception.

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@4168 a333f486-631f-4898-b8df-5754b55c2be0

datamodels/2.x/itop-portal-base/portal/src/controllers/managebrickcontroller.class.inc.php

@@ -309,7 +309,7 @@ class ManageBrickController extends BrickController
 			// Getting area columns properties
 			$aColumnsAttrs = $oBrick->GetFields();
 			// Adding friendlyname attribute to the list is not already in it
-			if (!in_array($sTitleAttrCode, $aColumnsAttrs))
+			if (($sTitleAttrCode !== null) && !in_array($sTitleAttrCode, $aColumnsAttrs))
 			{
 				$aColumnsAttrs = array_merge(array($sTitleAttrCode), $aColumnsAttrs);
 			}