Redirection to user page is forced on login

Even if I don't give any url on the "Initial login landing page" of Redirection settings section, user is redirected to his user page, while the user should be redirected to the url on where he was before the logging cas operation.

I think there is bug in the line 799 of the cas.module, it should miss a "=" on the second part of the if code :
if ($destination == 'user/login' || $destination = 'user/register') {
The redirection is OK and user goes to the previous page when the "=" is added :
if ($destination == 'user/login' || $destination == 'user/register') {