Fix Call to undefined function get_current_user() error on Status pag…

…e - closes #4067

resources/views/system/status.blade.php

@@ -143,7 +143,7 @@
     </table>
 
     <h3 id="permissions">{{ __('Permissions') }}</h3>
-    {!! __('These folders must be writable by web server user (:user).', ['user' => '<strong>'.get_current_user().'</strong>']) !!} {{ __('Recommended permissions') }}: <strong>775</strong>
+    {!! __('These folders must be writable by web server user (:user).', ['user' => '<strong>'.(function_exists('get_current_user') ? get_current_user() : '').'</strong>']) !!} {{ __('Recommended permissions') }}: <strong>775</strong>
     <table class="table table-dark-header table-bordered table-responsive table-narrow">
         <tbody>
             @foreach ($permissions as $perm_path => $perm)