ILoggingListener::Log not called on linux64 clients

[Earu]

As per the title the registered listeners are not being called on the client linux x64 version of the game. Seems to work on srcds though. Macosx, Windows, and Linux clients all call the listeners without fail.

Example: https://github.com/Earu/gmsv_xconsole_x64/blob/master/source/main.cpp#L50