crypto/chtls: IPv6 support for inline TLS

Extends support to IPv6 for Inline TLS server.

Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>

v1->v2:
- cc'd tcp folks.

v2->v3:
- changed EXPORT_SYMBOL() to EXPORT_SYMBOL_GPL()

Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/tcp_ipv6.c

@@ -2121,6 +2121,7 @@ struct proto tcpv6_prot = {
 #endif
 	.diag_destroy		= tcp_abort,
 };
+EXPORT_SYMBOL_GPL(tcpv6_prot);
 
 /* thinking of making this const? Don't.
  * early_demux can change based on sysctl.