Commit 1ea2c3be: "nfs-utils: Remove all uses of AI_ADDRCONFIG,"
(October 28, 2010) removed the last use of AI_ADDRCONFIG. Even so,
ipv6.m4 uses this check to ensure that the local getaddrinfo(3)
implementation is recent. Maybe we shouldn't bother.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Dickson <steved@redhat.com>