deltree()末尾添加两行，
*** stuff.c     27 Oct 2003 11:00:51 -0000      1.35
--- stuff.c     29 Feb 2004 17:29:22 -0000      1.36
***************
*** 237,246 ****
--- 237,248 ----
                if (i == 1000)
                        return 0;
                close(fd);
        }
        rename(buf, rpath);
+       if (dashl(rpath))
+               unlink(rpath);
        return 1;
  }

  #if 0
  static int
--
FROM 127.0.0.1