modules/http/http_filters.c:564: error: UNINITIALIZED_VALUE
  The value read from totalread was never initialized.

modules/http/http_filters.c:564:17: 
562.                  * as we'd need to compensate for the chunk lengths which may not
563.                  * really count.  This seems to be up for interpretation.  */
564.                 ctx->limit_used += totalread;
                     ^
565.                 if (ctx->limit < ctx->limit_used) {
566.                     ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, f->r, APLOGNO(01591)
