ping: always initialize ->sin6_scope_id and ->sin6_flowinfo
ping: always initialize ->sin6_scope_id and ->sin6_flowinfo

If we don't need scope id, we should initialize it to zero.
Same for ->sin6_flowinfo.

Cc: Lorenzo Colitti <86995a091f8a1385082bd10715048b52ee386a6a@google.com>
Cc: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>
Signed-off-by: Cong Wang <b08afa93ec8eabe95bc97d12956ca699fa65834c@redhat.com>
Acked-by: Lorenzo Colitti <86995a091f8a1385082bd10715048b52ee386a6a@google.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs