message: fixed link error on Windows in debug mode
diff: #include "platform.h"
  #include <vector>
  +// We need to define these to avoid implicit linkage against
  +// tbb_debug.lib under Windows. When removing these lines debug build
  +// under Windows fails.
  +#define __TBB_NO_IMPLICIT_LINKAGE 1
  +#define __TBBMALLOC_NO_IMPLICIT_LINKAGE 1
  +
  #define TBB_PREVIEW_LOCAL_OBSERVER 1
  #include "tbb/task_scheduler_init.h"
  #include "tbb/task_scheduler_observer.h"
  