SessionHandler: Remove version check for PHP >= 5.2 when calling setcookie.
SessionHandler: Remove version check for PHP >= 5.2 when calling setcookie.

Since 5.2.0 is now the minimum supported version, this check is no longer
necessary.

Thanks to Ryan Panning for providing this patch.

Rud5G/simplesamlphp,Rud5G/simplesamlphp,Rud5G/simplesamlphp,Rud5G/simplesamlphp