Added fillRect back in for non-transparent canvas

Author: photonstorm

src/renderer/canvas/CanvasRenderer.js

@@ -382,6 +382,12 @@ var CanvasRenderer = new Class({
             ctx.clearRect(0, 0, width, height);
         }
 
+        if (!config.transparent)
+        {
+            ctx.fillStyle = config.backgroundColor.rgba;
+            ctx.fillRect(0, 0, width, height);
+        }
+
         ctx.save();
 
         this.drawCount = 0;