hnbgw: Mark SCTP conn as NODELAY

We don't want messages to be sent being delayed.

Related: OS#4499
Change-Id: I333e7f868e426f7d7ebb328ea2a441d769ea8ebd
diff --git a/src/hnbgw.c b/src/hnbgw.c
index 9e0b33b..f18d2b1 100644
--- a/src/hnbgw.c
+++ b/src/hnbgw.c
@@ -617,6 +617,7 @@
 	}
 	osmo_stream_srv_link_set_data(srv, g_hnb_gw);
 	osmo_stream_srv_link_set_proto(srv, IPPROTO_SCTP);
+	osmo_stream_srv_link_set_nodelay(srv, true);
 	osmo_stream_srv_link_set_addr(srv, g_hnb_gw->config.iuh_local_ip);
 	osmo_stream_srv_link_set_port(srv, g_hnb_gw->config.iuh_local_port);
 	osmo_stream_srv_link_set_accept_cb(srv, accept_cb);