selinux: mark both IPv4 and IPv6 accepted connection sockets as labeled

The current partial labeling was introduced in 389fb800 ("netlabel:
Label incoming TCP connections correctly in SELinux") due to the fact
that IPv6 labeling was not supported yet at the time.
Signed-off-by: Guido Trentalancia <guido@trentalancia.com>
[PM: properly format the referenced commit ID, adjust subject]
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/netlabel.c

@@ -359,7 +359,7 @@ void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
 {
 	struct sk_security_struct *sksec = sk->sk_security;
 
-	if (family == PF_INET)
+	if (family == PF_INET || family == PF_INET6)
 		sksec->nlbl_state = NLBL_LABELED;
 	else
 		sksec->nlbl_state = NLBL_UNSET;