Use most recently specified symbols of RFC-to-be-6013.

Allows different global s_data limits for SYN and SYN_ACK.

CC: "Eric W. Biederman" <ebiederm@xmission.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
CC: Andi Kleen <andi@firstfloor.org>
Signed-off-by: William.Allen.Simpson@gmail.com
---
  Documentation/networking/ip-sysctl.txt |   10 ++++++++++
  include/net/tcp.h                      |    2 ++
  net/ipv4/sysctl_net_ipv4.c             |   25 ++++++++++++++++++++++++-
  net/ipv4/tcp_output.c                  |   19 +++++++++++++++++--
  4 files changed, 53 insertions(+), 3 deletions(-)