Update dialplan_tool_edit.php

dialplan_tool_edit.php

@@ -24,8 +24,11 @@
 	SUCH DAMAGE.
 */
 
-//includes
-	require_once "root.php";
+//set the include path
+	$conf = glob("{/usr/local/etc,/etc}/fusionpbx/config.conf", GLOB_BRACE);
+	set_include_path(parse_ini_file($conf[0])['document.root']);
+
+//includes files
 	require_once "resources/require.php";
 	require_once "resources/check_auth.php";