dns reInit bug
recall dns.server()
false	./lualib/skynet/dns.lua:340: assertion failed!
@@ -3,7 +3,7 @@ local httpc = require "http.httpc"
local dns = require "skynet.dns"
local function main()
- httpc.dns() -- set dns server
+ --httpc.dns() -- set dns server
httpc.timeout = 100 -- set timeout 1 second
print("GET baidu.com")
local respheader = {}
