Merge pull request #763 from greezybacon/issue/unknown-user

Reviewed-By: Peter Rotich <peter@osticket.com>

view.php

@@ -19,7 +19,9 @@ require_once('client.inc.php');
 // Try autologin the user
 // Authenticated user can be of type ticket owner or collaborator
 $errors = array();
-$user =  UserAuthenticationBackend::processSignOn($errors);
+if (isset($_GET['auth']) || isset($_GET['t']))
+    $user =  UserAuthenticationBackend::processSignOn($errors);
+
 if ($user && $user->getTicketId())
     Http::redirect('tickets.php?id='.$user->getTicketId());