[io] Port to Win64 (replace Long_t by Longptr_t)
[io] Port to Win64 (replace Long_t by Longptr_t)

olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root