face: deduplicate callback typedefs between Channel and ProtocolFactory

This should have been part of commit 1d7e7afd381b91b6194d516826294b7f41f78745

Change-Id: I61623152180d4df288fc7dd3c225518e438d2bda
Refs: #3258
diff --git a/daemon/face/unix-stream-channel.hpp b/daemon/face/unix-stream-channel.hpp
index 06be812..fbddbe2 100644
--- a/daemon/face/unix-stream-channel.hpp
+++ b/daemon/face/unix-stream-channel.hpp
@@ -72,7 +72,7 @@
    */
   void
   listen(const FaceCreatedCallback& onFaceCreated,
-         const ConnectFailedCallback& onAcceptFailed,
+         const FaceCreationFailedCallback& onAcceptFailed,
          int backlog = boost::asio::local::stream_protocol::acceptor::max_connections);
 
   bool
@@ -81,12 +81,12 @@
 private:
   void
   accept(const FaceCreatedCallback& onFaceCreated,
-         const ConnectFailedCallback& onAcceptFailed);
+         const FaceCreationFailedCallback& onAcceptFailed);
 
   void
   handleAccept(const boost::system::error_code& error,
                const FaceCreatedCallback& onFaceCreated,
-               const ConnectFailedCallback& onAcceptFailed);
+               const FaceCreationFailedCallback& onAcceptFailed);
 
 private:
   unix_stream::Endpoint m_endpoint;