Replace IO.iodata_to_binary/1 with IO.chardata_to_string/1

lib/vintage_net/ip/dhcpd_config.ex

@@ -215,7 +215,7 @@ defmodule VintageNet.IP.DhcpdConfig do
     """
 
     config = Enum.map(dhcpd, &to_udhcpd_string/1)
-    IO.iodata_to_binary([initial, "\n", config, "\n"])
+    IO.chardata_to_string([initial, "\n", config, "\n"])
   end
 
   defp to_udhcpd_string({:start, val}) do

lib/vintage_net/ip/dnsd_config.ex

@@ -107,7 +107,7 @@ defmodule VintageNet.IP.DnsdConfig do
 
   defp dnsd_contents(%{records: records}) do
     Enum.map(records, &record_to_string/1)
-    |> IO.iodata_to_binary()
+    |> IO.chardata_to_string()
   end
 
   defp record_to_string({name, ipa}) do

test/vintage_net/info_test.exs

@@ -101,7 +101,7 @@ defmodule VintageNet.InfoTest do
 
   test "info_as_ansidata can return ansidata" do
     output = Info.info_as_ansidata()
-    output_str = output |> IO.ANSI.format(false) |> IO.iodata_to_binary()
+    output_str = output |> IO.ANSI.format(false) |> IO.chardata_to_string()
 
     assert output_str =~ "All interfaces"
     assert output_str =~ "Available interfaces"

test/vintage_net/resolver/resolv_conf_test.exs

@@ -6,7 +6,7 @@ defmodule VintageNet.Resolver.ResolvConfTest do
   defp to_resolvconf(map, additional_name_servers \\ []) do
     map
     |> ResolvConf.to_config(additional_name_servers)
-    |> IO.iodata_to_binary()
+    |> IO.chardata_to_string()
   end
 
   test "empty resolvconf is empty" do