Always optimise some 3rdparty code like lz4, to speed up debug builds
Always optimise some 3rdparty code like lz4, to speed up debug builds

* We don't need to debug this code and it slows down captures a fair bit if it's
  not optimised

baldurk/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,baldurk/renderdoc