[NETFILTER]: tcp conntrack: fix IP_CT_TCP_FLAG_CLOSE_INIT value

IP_CT_TCP_FLAG_CLOSE_INIT is a flag and should have a value of 0x4 instead
of 0x3, which is IP_CT_TCP_FLAG_WINDOW_SCALE | IP_CT_TCP_FLAG_SACK_PERM.
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/linux/netfilter/nf_conntrack_tcp.h

@@ -25,7 +25,7 @@ enum tcp_conntrack {
 #define IP_CT_TCP_FLAG_SACK_PERM		0x02
 
 /* This sender sent FIN first */
-#define IP_CT_TCP_FLAG_CLOSE_INIT		0x03
+#define IP_CT_TCP_FLAG_CLOSE_INIT		0x04
 
 #ifdef __KERNEL__