add fix GetSize function
add fix GetSize function

mtojek/godownloader,e-tipalchuk/godownloader,zkhadikov/godownloader,Loafter/godownloader,Loafter/godownloader,e-tipalchuk/godownloader,zkhadikov/godownloader,mtojek/godownloader,e-tipalchuk/godownloader,zkhadikov/godownloader,Loafter/godownloader,mtojek/godownloader