Fix ZF-12319: Endless loop in Zend_Service_Rackspace_Abstract if no user set
Fix ZF-12319: Endless loop in Zend_Service_Rackspace_Abstract if no user set

git-svn-id: abaeb2b3ba5a94ed391a9405ad7d63d0414021c9@25170 44c647ce-9c0f-0410-b52a-842ac1e357ba

ajgarlag/zf1,ajgarlag/zf1,ajgarlag/zf1,ajgarlag/zf1,ajgarlag/zf1