message: Fix misleading error - GLX is not on all platforms
diff: @@ -3429,7 +3429,7 @@ ReplayStatus GL_CreateReplayDevice(RDCFile *rdc, IReplayDriver **driver)
  if(!load_ok)
  {
  - RDCERR("Couldn't find required GLX function addresses");
  + RDCERR("Couldn't find required platform GL function addresses");
  return ReplayStatus::APIInitFailed;
  }
  