fix syntax error (fixes #927)
fix syntax error (fixes #927)

upsilon/travis-test,C-nakajima/OpenPNE3,ShinichiU/OpenPNE3,ShinichiU/OpenPNE3,nishizoe/OpenPNE3,C-nakajima/OpenPNE3,isaosano/OpenPNE3,C-nakajima/OpenPNE3,isaosano/OpenPNE3,nishizoe/OpenPNE3,kashiwasan/symfony-advanced,kashiwasan/symfony-advanced,C-nakajima/OpenPNE3,isaosano/OpenPNE3,ShinichiU/OpenPNE3,upsilon/travis-test,isaosano/OpenPNE3,ShinichiU/OpenPNE3