output the full usec when --trace-time is used

  const char *text;

  struct timeval tv;

  struct tm *now;

  char timebuf[15];

  char timebuf[20];

  (void)handle; /* prevent compiler warning */

  tv = curlx_tvnow();

  now = localtime(&tv.tv_sec);  /* not multithread safe but we don't care */

  if(config->tracetime)

    snprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d.%02d ",

             now->tm_hour, now->tm_min, now->tm_sec,

             tv.tv_usec/10000);

    snprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d.%06d ",

             now->tm_hour, now->tm_min, now->tm_sec, tv.tv_usec);

  else

    timebuf[0]=0;