Fixed: bogus access keys in typo correction message

lib/typoFixer.js

Index: lib/typoFixer.js
===================================================================
--- a/lib/typoFixer.js
+++ b/lib/typoFixer.js
@@ -27,47 +27,47 @@ let netError = require("typoNetError");
 
 let typoWindowObserver = null;
 
 exports.attachWindowObserver = attachWindowObserver;
 function attachWindowObserver()
 {
   if (typoWindowObserver)
     return;
-  
+
   // Attach our handlers to all browser windows
   typoWindowObserver = new WindowObserver(
   {
     applyToWindow: function(window)
     {
       if (!appIntegration.isKnownWindow(window))
         return;
-      
+
       netError.applyToWindow(window);
       appIntegration.applyToWindow(window, correctURL);
     },
 
     removeFromWindow: function(window)
     {
       if (!appIntegration.isKnownWindow(window))
         return;
-      
+
       netError.removeFromWindow(window);
       appIntegration.removeFromWindow(window);
     }
   });
 }
 attachWindowObserver();
 
 exports.detachWindowObserver = detachWindowObserver;
 function detachWindowObserver()
 {
   if (!typoWindowObserver)
     return;
-  
+
   // Detach our handlers from all browser windows
   typoWindowObserver.shutdown();
   typoWindowObserver = null;
 }
 
 function parseURL(url)
 {
   if (/^\s*((?:\w+:)?\/*(?:[^\/#]*@)?)([^\/:#]*)/.test(url))
@@ -169,35 +169,35 @@ function correctURL(window, value)
 
         suffix += anchor;
       }
     }
   }
 
   if (!hasCorrection)
     return null;
-  
+
   if (!appIntegration.isTypoCorrectionEnabled(window, prefix, domain, suffix))
     return null;
 
   // Show infobar to inform and ask about correction
   let [message, yes, no] = getInfobarTexts();
   message = message.replace(/\?1\?/g, prefix+domain);
   let buttons = [
     {
       label:      yes,
-      accessKey:  null,
+      accessKey:  "",
       callback:   function()
       {
         // Yes: Do nothing
       }
     },
     {
       label:      no,
-      accessKey:  null,
+      accessKey:  "",
       callback:   function()
       {
         // No: Add to list of corrections (ignore)
         let entry = oldDomain.replace(/^www\./, "");
         Prefs.whitelist[entry] = true;
         onWhitelistEntryAdded(entry);
         Prefs.whitelist = JSON.parse(JSON.stringify(Prefs.whitelist));