[libsoup] Created tag 2.67.3

[Claudio Saavedra <csaavedra src gnome org>]

The unsigned tag '2.67.3' was created.

Tagger: Claudio Saavedra <csaavedra igalia com>
Date: 1563372853 +0300

    2.67.3

Changes since the last tag '2.67.2':

Carlos Garcia Campos (8):
      WebSockets: allow to send empty binary data
      WebSockets: return after closing connection on error in process_frame
      WebSockets: fail and close the connection in case of invalid payload length
      WebSockets: closed signal not emitted when io stream is SoupIOStream
      WebSockets: allow null characters in text messages data
      WebSockets: client must fail when receiving a masked frame from server
      WebSockets: server must close the connection when receiving an unmasked frame
      WebSockets: client should also mark the close frame as SOUP_WEBSOCKET_QUEUE_LAST

Claudio Saavedra (2):
      SoupMessage: seal access to private members
      2.67.3

Thibaut Robert (1):
      ntlm: fix ntlmv2 authentication