[ruby/resolv] Use port number 0 for ephemeral port if save
On platforms where ephemeral port randomization is implemented, the same randomization is not needed in the ruby library layer.
Fixes https://github.com/ruby/resolv/pull/63.
https://github.com/ruby/resolv/commit/45e1b563c0
[ruby/resolv] Use port number 0 for ephemeral port if save
On platforms where ephemeral port randomization is implemented, the
same randomization is not needed in the ruby library layer.
Fixes https://github.com/ruby/resolv/pull/63.
https://github.com/ruby/resolv/commit/45e1b563c0