Index: branches/5.1.x/core/units/general/libchart/classes/view/chart/PieChart.php
===================================================================
diff -u -N -r12127 -r12657
--- branches/5.1.x/core/units/general/libchart/classes/view/chart/PieChart.php	(.../PieChart.php)	(revision 12127)
+++ branches/5.1.x/core/units/general/libchart/classes/view/chart/PieChart.php	(.../PieChart.php)	(revision 12657)
@@ -17,6 +17,8 @@
 	 *
 	 */
 
+	defined('FULL_PATH') or die('restricted access!');
+
 	/**
 	 * Pie chart.
 	 *
@@ -249,5 +251,4 @@
 
 			$this->plot->render($fileName);
 		}
-	}
-?>
\ No newline at end of file
+	}
\ No newline at end of file