Fix build due to error in curl_easy_setopt

Fix build due to error in curl_easy_setopt

The builds are failing due to error like:

src/curl.c:349:3: error: call to '_curl_easy_setopt_err_long' declared with attribute warning: curl_easy_setopt expects a long argument [-Werror=attribute-warning]
  349 |   curl_easy_setopt(wp->curl, CURLOPT_IPRESOLVE, wp->address_family);

src/curl_xml.c:740:3: error: call to '_curl_easy_setopt_err_long' declared with attribute warning: curl_easy_setopt expects a long argument [-Werror=attribute-warning]
  740 |   curl_easy_setopt(db->curl, CURLOPT_IPRESOLVE, db->address_family);

src/curl_json.c:586:3: error: call to '_curl_easy_setopt_err_long' declared with attribute warning: curl_easy_setopt expects a long argument [-Werror=attribute-warning]
  586 |   curl_easy_setopt(db->curl, CURLOPT_IPRESOLVE, db->address_family);

The error were seen during a rebuild in Ubuntu.

Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>