Convert to span and avoid deprecated ndn-cxx functions

Change-Id: I45c50527fe53498b53a3d951458bdff8e7d7778c
diff --git a/daemon/face/websocket-transport.cpp b/daemon/face/websocket-transport.cpp
index 3ac0023..33ae643 100644
--- a/daemon/face/websocket-transport.cpp
+++ b/daemon/face/websocket-transport.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2020,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -98,7 +98,7 @@
 
   bool isOk = false;
   Block element;
-  std::tie(isOk, element) = Block::fromBuffer(reinterpret_cast<const uint8_t*>(msg.data()), msg.size());
+  std::tie(isOk, element) = Block::fromBuffer({reinterpret_cast<const uint8_t*>(msg.data()), msg.size()});
   if (!isOk) {
     NFD_LOG_FACE_WARN("Failed to parse message payload");
     return;