Fixed printf test on android

  BSPRINTF(1, "\xff", buf, "%c", 0xff);

  errno = 5;

  BSPRINTF(18, "Input/output error", buf, "%m");

  errno = 0;

  const char *ioemsg = strerror(errno);

  const int ioesize = strlen(ioemsg);

  BSPRINTF(ioesize, ioemsg, buf, "%m");

  BSPRINTF(18, "Input/output error", buf, "%M", 5);

  errno = 0;

  BSPRINTF(ioesize, ioemsg, buf, "%M", 5);

  BSPRINTF(11, "TeSt%StRiNg", buf, "%s", "TeSt%StRiNg");