tool_operate: pass a long as CURLOPT_HEADEROPT argument

Closes #10798

diff --git a/src/tool_operate.c b/src/tool_operate.c
index 712d966db65be6cd244b9681f5cd9fee79d910c4..72b0253306ae27427196199a1e1a432fdbe63efa 100644 (file)
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -1446,7 +1446,7 @@ static CURLcode single_transfer(struct GlobalConfig *global,
           /* new in libcurl 7.36.0 */
           if(config->proxyheaders) {
             my_setopt_slist(curl, CURLOPT_PROXYHEADER, config->proxyheaders);
-            my_setopt(curl, CURLOPT_HEADEROPT, CURLHEADER_SEPARATE);
+            my_setopt(curl, CURLOPT_HEADEROPT, (long)CURLHEADER_SEPARATE);
           }
 
           /* new in libcurl 7.5 */