FreeRDP/FreeRDP — pull request #2213 by akallabeth (2014-11-16 13:22:39+00:00)
Title: Wlog callback appender

This pull request adds the possibility to register callback functions as logging target.
This allows using libfreerdp and capturing all log messages from wlog to some logging function

* Callback Appender for WLog
* New Unit Test for WLog Callback Appender
* Replaced fprintf error messages with WLog_ERR