--- WWW-Curl-4.17/Curl.xs	2014-02-21 18:08:30.000000000 +0200
+++ WWW-Curl-4.17.new/Curl.xs	2019-11-05 21:44:55.434395739 +0200
@@ -73,7 +73,7 @@ typedef struct {
 #ifdef __CURL_MULTI_H
     struct CURLM *curlm;
 #else
-    struct void *curlm;
+    void *curlm;
 #endif
 } perl_curl_multi;