--- old/src/share/classes/javax/swing/plaf/synth/SynthSliderUI.java	2014-08-07 11:49:45.000000000 -0700
+++ new/src/share/classes/javax/swing/plaf/synth/SynthSliderUI.java	2014-08-07 11:49:44.000000000 -0700
@@ -392,7 +392,7 @@
                 trackRect.x = insetCache.left;
                 trackRect.width = contentRect.width;
 
-                Dictionary<Integer, JComponent> dictionary = slider.getLabelTable();
+                Dictionary<Integer, ? extends JComponent> dictionary = slider.getLabelTable();
                 if (dictionary != null) {
                     int minValue = slider.getMinimum();
                     int maxValue = slider.getMaximum();