Issue 701 - Don`t handle middle- and right-clicks on report link

chrome/content/ui/sendReport.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 715 matching lines @@
       this.data.parentNode.removeChild(this.data);
   }
 };
 
 let subscriptionUpdateDataSource =
 {
   contentWnd: null,
   type: null,
   outdated: null,
   needUpdate: null,
-  
+
   subscriptionFilter: function(s)
   {
     if (s instanceof DownloadableSubscription)
       return subscriptionsDataSource.subscriptionFilter(s);
     else
       return false;
   },
 
   collectData: function(wnd, windowURI, callback)
   {
@@ skipping 803 matching lines @@
     E("copyLinkBox").hidden = false;
 
     document.documentElement.getButton("finish").disabled = false;
     document.documentElement.getButton("cancel").disabled = true;
     E("progressBar").activeItemComplete = true;
   }
 }
 
 function processLinkClick(event)
 {
+  if (event.button != 0)
+    return;
+
   event.preventDefault();
 
   let link = event.target;
   while (link && !(link instanceof HTMLAnchorElement))
     link = link.parentNode;
 
   if (link && (link.protocol == "http:" || link.protocol == "https:"))
     UI.loadInBrowser(link.href);
 }
 
 function copyLink(url)
 {
   Utils.clipboardHelper.copyString(url);
 }
 
 function censorURL(url)
 {
   return url.replace(/([?;&\/#][^?;&\/#]+?=)[^?;&\/#]+/g, "$1*");
 }
 
 function encodeHTML(str)
 {
   return str.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;");
 }