don't convert the encoding twice in the request (fixes #1961)
don't convert the encoding twice in the request (fixes #1961)

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