Log Message:
spice-server: update to 0.14.3

Major Changes in 0.14.3:
========================

Main changes are WebSocket and support for Windows.

* Add support for WebSocket, this will allow to use spice-html5 without proxy
* Support Windows, now Qemu Windows can be build enabling Spice
* Fix some alignment problem
* Converted some documentation to Asciidoc format to make easier to update,
  updated some
* Minor compatibility fix for PPC64EL and ARMHF
* Minor fixes for big endian machines like MIPS
* Avoid some crashes with some buggy guest drivers, simply ignore the invalid
  request
* Fix for old OpenSSL versions
* Minor fix for Windows clients and brushes, fixed an issue with Photoshop
  under Windows 7
* Add ability to query video-codecs
* Small use-after-free fix
* Fix for debugging recording/replaying using QUIC images
* Fix a regression where spice reported no monitors to the client
* Fix DoS in spicevmc if WebDAV used
* Updated and improved test migration script
* Some minor fixes to smartcard support
* Avoid possible disconnection using proxies using a in-flow keepalive
  mechanism