hg: jdk/submit: 8202181: Correctly specify size of hostname buffer in Unix Inet*AddressImpl_getLocalHostName implementations

[christoph.langer at sap.com]

Changeset: 646ebb241638
Author:    clanger
Date:      2018-04-30 09:07 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/646ebb241638

8202181: Correctly specify size of hostname buffer in Unix Inet*AddressImpl_getLocalHostName implementations
Reviewed-by: stuefe, bpb, vtewari

! src/java.base/unix/native/libnet/Inet4AddressImpl.c
! src/java.base/unix/native/libnet/Inet6AddressImpl.c
! src/java.base/unix/native/libnet/net_util_md.h