S3 IO library: make the code compile with older version of cURL library by make compilation conditional on CURLOPT_SSL_VERIFYSTATUS.
S3 IO library: make the code compile with older version of cURL library by make compilation conditional on CURLOPT_SSL_VERIFYSTATUS.

quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs