The MIPSPro compiler complains on constructs such as "(void)foo;" so

CURLcode Curl_pretransfer(struct SessionHandle *data)

{

  CURLcode res;

  if(!data->change.url)

    /* we can't do anything wihout URL */

    return CURLE_URL_MALFORMAT;

#ifdef USE_SSLEAY

  /* Init the SSL session ID cache here. We do it here since we want to

     do it after the *_setopt() calls (that could change the size) but

     before any transfer. */

  res = Curl_SSL_InitSessions(data, data->set.ssl.numsessions);

  {

    /* Init the SSL session ID cache here. We do it here since we want to do

       it after the *_setopt() calls (that could change the size of the cache)

       but before any transfer takes place. */

    CURLcode res = Curl_SSL_InitSessions(data, data->set.ssl.numsessions);

    if(res)

      return res;

#else

  (void)res;

  }

#endif

  data->set.followlocation=0; /* reset the location-follow counter */