[TCP]: Add missing break to TCP option parsing code

This flaw does not affect any behavior (currently).

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ed4a1bda..d6d0f9b 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2932,6 +2932,7 @@
 					   opt_rx->sack_ok) {
 						TCP_SKB_CB(skb)->sacked = (ptr - 2) - (unsigned char *)th;
 					}
+					break;
 #ifdef CONFIG_TCP_MD5SIG
 				case TCPOPT_MD5SIG:
 					/*