tcp: whitespace fixes

Fix places where there is space before tab, long lines, and
awkward if(){, double spacing etc. Add blank line after declaration/initialization.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc net/ipv4/tcp_bic.c
Simple merge

diff --cc net/ipv4/tcp_cong.c
Simple merge

diff --cc net/ipv4/tcp_cubic.c
Simple merge

diff --cc net/ipv4/tcp_diag.c
Simple merge

diff --cc net/ipv4/tcp_highspeed.c
Simple merge

diff --cc net/ipv4/tcp_htcp.c
Simple merge

diff --cc net/ipv4/tcp_hybla.c
Simple merge

diff --cc net/ipv4/tcp_illinois.c
Simple merge

diff --cc net/ipv4/tcp_ipv4.c
Simple merge

diff --cc net/ipv4/tcp_probe.c
Simple merge

diff --cc net/ipv4/tcp_scalable.c
Simple merge

diff --cc net/ipv4/tcp_vegas.c
Simple merge

diff --cc net/ipv4/tcp_veno.c
Simple merge

diff --cc net/ipv4/tcp_westwood.c
Simple merge

diff --cc net/ipv4/tcp_yeah.c
Simple merge