Revision 424186

MFH: r424079

- update to 1.4.10

Broker
  Fix TLS operation with websockets listeners and libwebsockets 2.x. Closes
  #186.
  Don.t disconnect client on HUP before reading the pending data. Closes #7.
  Fix some $SYS messages being incorrectly persisted. Closes #191.
  Support OpenSSL 1.1.0.
  Call fsync after persisting data to ensure it is correctly written. Closes
  #189.
  Fix persistence saving of subscription QoS on big-endian machines.
  Fix will retained flag handling on Windows. Closes #222.
  Broker now displays an error if it is unable to open the log file. Closes
  #234.

Client library
  Support OpenSSL 1.1.0.
  Fixed the C++ library not allowing SOCKS support to be used. Closes #198.
  Fix memory leak when verifying a server certificate with a subjectAltName
  section. Closes #237.

Build
  Don.t attempt to install docs when WITH_DOCS=no. Closes #184.

PR:		213532
Submitted by:	ohauer
Approved by:	maintainer <joe@thrallingpenguin.com>

Approved by:	ports-secteam (feld)