change deprecated extend_view to elgg_extend_view

plugins/customindex/index.php

@@ -11,7 +11,7 @@
 	 */
 	 
 	// Load Elgg engine
-//	require_once(dirname(dirname(dirname(__FILE__))) . '/engine/start.php');
+	require_once(dirname(dirname(dirname(__FILE__))) . '/engine/start.php');
 
 	// Get view
 	$area1 = elgg_view('customindex/content', array());

plugins/customindex/start.php

@@ -13,8 +13,8 @@
 	function customindex_init() {
 
 		register_plugin_hook('index','system','new_index');
-		extend_view('metatags','customindex/metatags');
-		extend_view('css','customindex/css');
+		elgg_extend_view('metatags','customindex/metatags');
+		elgg_extend_view('css','customindex/css');
 
 	}