SimpleSAML_SessionHandlerPHP::newSessionId(): fix for session start (introduced in r3271).
SimpleSAML_SessionHandlerPHP::newSessionId(): fix for session start (introduced in r3271).

madmatt/saml2,ArtemTeleshev/php-saml2,simplesamlphp/saml2,newmen/saml2,cb8/saml2,sgomez/saml2,sitya/saml2