hg: jdk/jdk: 8200719: Cannot connect to IPv6 host when exists any active network interface without IPv6 address

[christoph.langer at sap.com]

Changeset: bc1c7e41e285
Author:    clanger
Date:      2018-04-16 11:11 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/bc1c7e41e285

8200719: Cannot connect to IPv6 host when exists any active network interface without IPv6 address
Reviewed-by: clanger, chegar
Contributed-by: joelpelaez at gmail.com

! src/java.base/unix/native/libnet/net_util_md.c