fix named pipes on windows x64
fix named pipes on windows x64

programming086/livestreamer,Dobatymo/livestreamer,mmetak/streamlink,streamlink/streamlink,back-to/streamlink,blxd/livestreamer,jtsymon/livestreamer,bastimeyer/streamlink,okaywit/livestreamer,Klaudit/livestreamer,gravyboat/streamlink,Klaudit/livestreamer,programming086/livestreamer,flijloku/livestreamer,charmander/livestreamer,intact/livestreamer,back-to/streamlink,gtmanfred/livestreamer,javiercantero/streamlink,Saturn/livestreamer,lyhiving/livestreamer,Saturn/livestreamer,charmander/livestreamer,wlerin/streamlink,melmorabity/streamlink,beardypig/streamlink,hmit/livestreamer,chrippa/livestreamer,ethanhlc/streamlink,breunigs/livestreamer,chrisnicholls/livestreamer,chrippa/livestreamer,gravyboat/streamlink,sbstp/streamlink,melmorabity/streamlink,flijloku/livestreamer,javiercantero/streamlink,chhe/livestreamer,hmit/livestreamer,caorong/livestreamer,wolftankk/livestreamer,chhe/streamlink,blxd/livestreamer,Feverqwe/livestreamer,okaywit/livestreamer,Feverqwe/livestreamer,derrod/livestreamer,wolftankk/livestreamer,intact/livestreamer,breunigs/livestreamer,ethanhlc/streamlink,derrod/livestreamer,wlerin/streamlink,sbstp/streamlink,fishscene/streamlink,beardypig/streamlink,Masaz-/livestreamer,mmetak/streamlink,bastimeyer/streamlink,asermax/livestreamer,streamlink/streamlink,jtsymon/livestreamer,Dobatymo/livestreamer,chhe/livestreamer,lyhiving/livestreamer,fishscene/streamlink,gtmanfred/livestreamer,chhe/streamlink,Masaz-/livestreamer,caorong/livestreamer