Split switch, shift cases to the left, fix most lines beyond column 80.

Requires:
   TCPCT part 1g: Responder Cookie => Initiator
   TCPCT part 2a: TCP header pointer functions

Signed-off-by: William.Allen.Simpson@gmail.com
---
  net/ipv4/tcp_input.c |  191 +++++++++++++++++++++++++++----------------------
  1 files changed, 105 insertions(+), 86 deletions(-)