spec error: tcp length prefix encoded as bigendian instead of little endian

[reklatsmasters]

Spec says:

Client queries over TCP only differ from queries sent over UDP by the padding length computation and by the fact that they are prefixed with their length, encoded as two little-endian bytes.

But tcp length actualy encoded as big endian!

https://github.com/jedisct1/encrypted-dns-server/blob/641ba88ab1fd635524aee47afbba5887c52e1438/src/resolver.rs#L149-L152

I spend a hours to understand why i don't get response from server over tcp.

[alex14fr]

I went through the same issue ;-)

[jedisct1]

Thanks!