Fixed: Total blocked count was not saved across multiple sessions

lib/stats.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 36 matching lines @@
   
   var blocked = item instanceof BlockingFilter;
   
   // Increment counts
   if (blocked)
   {
     if ("blocked" in Prefs.stats_total)
       Prefs.stats_total.blocked++;
     else
       Prefs.stats_total.blocked = 1;
+    Prefs.stats_total = Prefs.stats_total;
     
     let frameData = getFrameData(tabId, 0);
     if (frameData)
     {
       if ("blocked" in frameData)
         frameData.blocked++;
       else
         frameData.blocked = 1;
     }
   }
 });