[TCPDIAG]: Just rename everything to inet_diag

Next changeset will rename tcp_diag.[ch] to inet_diag.[ch].

I'm taking this longer route so as to easy review, making clear the changes
made all along the way.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_westwood.c b/net/ipv4/tcp_westwood.c
index d8a5a2b..3951003 100644
--- a/net/ipv4/tcp_westwood.c
+++ b/net/ipv4/tcp_westwood.c
@@ -216,11 +216,11 @@
 			      struct sk_buff *skb)
 {
 	const struct westwood *ca = inet_csk_ca(sk);
-	if (ext & (1<<(TCPDIAG_VEGASINFO-1))) {
+	if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
 		struct rtattr *rta;
 		struct tcpvegas_info *info;
 
-		rta = __RTA_PUT(skb, TCPDIAG_VEGASINFO, sizeof(*info));
+		rta = __RTA_PUT(skb, INET_DIAG_VEGASINFO, sizeof(*info));
 		info = RTA_DATA(rta);
 		info->tcpv_enabled = 1;
 		info->tcpv_rttcnt = 0;