ZF-7882: testClearIdentity(Zend_AuthTest) unit tests error

Description

{panel} 1) testClearIdentity(Zend_AuthTest) Undefined variable: _SESSION /home/cawa/ZendFramework/svn/framework/branches/release-1.9/library/Zend/Session/Abstract.php:122 /home/cawa/ZendFramework/svn/framework/branches/release-1.9/library/Zend/Session/Abstract.php:122 /home/cawa/ZendFramework/svn/framework/branches/release-1.9/library/Zend/Session/Namespace.php:411 /home/cawa/ZendFramework/svn/framework/branches/release-1.9/library/Zend/Auth/Storage/Session.php:148 /home/cawa/ZendFramework/svn/framework/branches/release-1.9/library/Zend/Auth.php:167 {panel}

PHP -v output: {panel} PHP 5.2.5 (cli) (built: Feb 13 2009 15:40:08) Copyright (c) 1997-2007 The PHP Group Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies {panel}

Comments

Fixed the issue of exceptions raised by Zend_Session regarding headers already send. Following the solution provided on http://www.alexatnet.com/node/12, it solved the issue of raising exceptions

Fix merged into trunk with r18338