added a temporary coping for a problem reported in http://trac.symfony-project.org/ticket/6873
added a temporary coping for a problem reported in http://trac.symfony-project.org/ticket/6873


git-svn-id: 6ba286cfaf911c2ea4e466e770bddd1fee7a7b62@12325 8bbc783d-d51a-0410-adab-8fa69d43f207

nise-nabe/ppcon-sns,ShinichiU/OpenPNE3_with_webInstaller,tejimaya/OpenPNE3,tejima/testravis,tejima/testravis,isaosano/OpenPNE3,upsilon/travis-test,tejima/OP3PKG,C-nakajima/OpenPNE3,balibali/KakiageSNS,tejimaya/OpenPNE3,openpne/OpenPNE3,isaosano/OpenPNE3,C-nakajima/OpenPNE3,kashiwasan/symfony-advanced,openpne/OpenPNE3,nise-nabe/ppcon-sns,openpne/OpenPNE3,C-nakajima/OpenPNE3,kashiwasan/symfony-advanced,balibali/KakiageSNS,nishizoe/OpenPNE3,ShinichiU/AuthFramework,upsilon/travis-test,tejima/OP3PKG,isaosano/OpenPNE3,isaosano/OpenPNE3,upsilon/OpenPNE3,ShinichiU/OpenPNE3,ShinichiU/AuthFramework,ShinichiU/AuthFramework,tejima/testravis,ShinichiU/OpenPNE3,ShinichiU/OpenPNE3_with_webInstaller,ShinichiU/OpenPNE3,upsilon/OpenPNE3,openpne/OpenPNE3,nishizoe/OpenPNE3,ShinichiU/OpenPNE3,C-nakajima/OpenPNE3