Log Message:
libshout: update to 2.4.4.

libshout 2.4.4 (20201001)

* Fixed handling of blocking/non-blocking mode
* Fixed ICY port increment
* Fixed reusing of handles
* Fixed error handling of Ogg sync layer
* Fixed Passing of errors between connection and instance layer
  Without this fix died connections were not correctly detected.
* Fixed and improved build scripts