[IPSEC] IPV6: Fix to add tunnel mode SA correctly.

Signed-off-by: NMasahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv6/ah6.c

@@ -483,6 +483,7 @@ static int ah6_init_state(struct xfrm_state *x)
 		break;
 	case XFRM_MODE_TUNNEL:
 		x->props.header_len += sizeof(struct ipv6hdr);
+		break;
 	default:
 		goto error;
 	}

net/ipv6/esp6.c

@@ -360,6 +360,7 @@ static int esp6_init_state(struct xfrm_state *x)
 		break;
 	case XFRM_MODE_TUNNEL:
 		x->props.header_len += sizeof(struct ipv6hdr);
+		break;
 	default:
 		goto error;
 	}