This prevents failure of openssl s_server socket binding to wildcard
address on hosts with disabled IPv6.
Reviewed-by: NKurt Roeckx <kurt@roeckx.be>
Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8550)

(cherry picked from commit b8472b4e67ec7ad49254821f2da578ce588df4e6)