Introduce DTLS transport for NNG.

This introduces a new experimental transport for DTLS, that
provides encryption over UDP.  It has a simpler protocol than
the current UDP SP protocol (but we intend to fix that by making
the UDP transport simpler in a follow up!)

There are a few other fixes in the TLS layer itself, and in
the build, that were needed to accomplish this work.

Also there was an endianness bug in the UDP protocol handling, which
is fixed here.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/supplemental/tls/tls_stream.h b/src/supplemental/tls/tls_stream.h
index 78760f82..dca439af 100644
--- a/src/supplemental/tls/tls_stream.h
+++ b/src/supplemental/tls/tls_stream.h
@@ -21,7 +21,7 @@ typedef struct tls_stream_s {
 	nni_reap_node reap;
 	nni_aio       conn_aio;
 	nni_aio      *user_aio;
-	tls_conn      conn; // NB: must be last!
+	nni_tls_conn  conn; // NB: must be last!
 } tls_stream;
 
 extern void nni_tls_stream_free(void *arg);