Bug 1518348 - Hide about:restartrequired from about:about r=mossop

Differential Revision: https://phabricator.services.mozilla.com/D15888

--HG--
extra : moz-landing-system : lando

browser/components/about/AboutRedirector.cpp

@@ -102,7 +102,7 @@ static const RedirEntry kRedirMap[] = {
          nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
          nsIAboutModule::HIDE_FROM_ABOUTABOUT},
     {"restartrequired", "chrome://browser/content/aboutRestartRequired.xhtml",
-     nsIAboutModule::ALLOW_SCRIPT},
+     nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::HIDE_FROM_ABOUTABOUT},
 };
 
 static nsAutoCString GetAboutModuleName(nsIURI* aURI) {