examples/sample.rb in xrvg-0.0.3 vs examples/sample.rb in xrvg-0.0.4

@@ -1,5 +1,6 @@
 require 'xrvg'
+include XRVG
 
 render = SVGRender[ :filename, "sample.svg" ]
 
 palette  = Palette[ :colorlist, [ 0.0, Color.blue,   0.25,  Color.orange,  
                                   0.5, Color.yellow, 0.75,  Color.green,