hosts: fix github.map.fastly.net CONNECTION_RESET
hosts: fix github.map.fastly.net CONNECTION_RESET

from: https://github.com/racaljk/hosts/issues/352#issuecomment-206124049

Xiejiayun/hosts,coolrc136/hosts,Xiejiayun/hosts,wsdjeg/hosts,ruidalin/hosts,VegetaPn/hosts,racaljk/hosts,Xiejiayun/hosts