example: use correct type (long) for CURLOPT_FOLLOWLOCATION

docs/examples/href_extractor.c

@@ -74,7 +74,7 @@ int main(int argc, char *argv[])
   curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
   curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
   curl_easy_setopt(curl, CURLOPT_WRITEDATA, hsp);
-  curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
+  curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
 
   curl_easy_perform(curl);