[PATCH 3/3] [SK_BUFF]: More skb_put related skb_reset_transport_header

This time we have to set it to skb->tail that is not anymore equal to
skb->data, so we either add a new helper or just add the skb->tail - skb->data
offset, for now do the later.

Signed-off-by: Arnaldo Carvalho de Melo <redacted>
---
 net/ipv4/igmp.c            |    3 ++-
 net/ipv4/ipvs/ip_vs_xmit.c |    3 ++-
 net/ipv6/mcast.c           |    5 +++--
 net/ipv6/ndisc.c           |   20 ++++++++++++--------
 4 files changed, 19 insertions(+), 12 deletions(-)