SESSION: Remove redundant call to empty()
SESSION: Remove redundant call to empty()

In Session::_overwrite()

CakeDC/cakephp,CakeDC/cakephp,cakephp/cakephp,cakephp/cakephp,cakephp/cakephp,CakeDC/cakephp,ndm2/cakephp,ndm2/cakephp,ndm2/cakephp,CakeDC/cakephp,cakephp/cakephp,ndm2/cakephp