fixed typo (fixes #1901)
fixed typo (fixes #1901)

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