Update header.js.handlebars

Author: shivpkumar

app/assets/javascripts/discourse/templates/header.js.handlebars

@@ -90,7 +90,7 @@
           {{#if currentUser}}
             {{#titledLinkTo 'userActivity.index' currentUser titleKey="current_user" class="icon"}}{{boundAvatar currentUser imageSize="medium" }}{{/titledLinkTo}}
           {{else}}
-            <div class="icon not-logged-in-avatar" {{action showLogin}}><i class='fa fa-user' title='{{i18n no_current_user}}'></i></div>
+            <div class="icon not-logged-in-avatar" {{action showLogin}}><i class='fa fa-user' title='{{i18n not_logged_in_user}}'></i></div>
           {{/if}}
         </li>
       </ul>