SimpleSAML_SessionHandlerPHP::newSessionId(): cleaner version for r3273.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3274 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/SessionHandlerPHP.php

@@ -73,12 +73,12 @@ class SimpleSAML_SessionHandlerPHP extends SimpleSAML_SessionHandler {
 		$sessionId = SimpleSAML_Utilities::stringToHex(SimpleSAML_Utilities::generateRandomBytes(16));
 		SimpleSAML_Session::createSession($sessionId);
 
-		if (session_id($sessionId) !== '') {
+		if (session_id() !== '') {
 			/* Session already started, close it. */
 			session_write_close();
-			session_id($sessionId);
 		}
 
+		session_id($sessionId);
 		session_start();
 
 		return session_id();