bind "127.0.0.1:*" instead of "*:*"
bind "127.0.0.1:*" instead of "*:*"

connecting() to an endpoint bound with wildcard
("*:*") is not necessarily defined behavior, and
does not work on windows. Use "127.0.0.1:*" instead
in tests.

pfernie/rust-zmq,erickt/rust-zmq