message: Add Vec impl for ToServerAddrs
diff: @@ -1165,6 +1165,14 @@ impl<'a> ToServerAddrs for &'a [ServerAddr] {
  }
  }
  +impl ToServerAddrs for Vec<ServerAddr> {
  + type Iter = std::vec::IntoIter<ServerAddr>;
  +
  + fn to_server_addrs(&self) -> io::Result<Self::Iter> {
  + Ok(self.clone().into_iter())
  + }
  +}
  +
  impl<T: ToServerAddrs + ?Sized> ToServerAddrs for &T {
  type Iter = T::Iter;
  fn to_server_addrs(&self) -> io::Result<Self::Iter> {
  