Hard-code the same address family on the server side as it already
is on the client side; otherwise, connect will fail on dual-stack
if IPV6_V6ONLY defaults to ON.

(The socket setup could stand to be rewritten!)


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1523484 13f79535-47bb-0310-9956-ffa450edef68