Socket helpers now fall back to ipv4 on systems where ipv6 is disabled.
Socket helpers now fall back to ipv4 on systems where ipv6 is disabled.

(cherry picked from commit 020f6a7f2082a6039ce6a5b4410dce47f6ea2607)

pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1