--- a/libidav/utils.h	Tue Jul 11 20:45:32 2017 +0200
+++ b/libidav/utils.h	Thu Aug 03 10:37:52 2017 +0200
@@ -29,16 +29,22 @@
 #ifndef UTILS_H
 #define	UTILS_H
 
+#ifdef _WIN32
+#include <winsock2.h>
+#include <io.h>
+#endif /* _WIN32 */
+
 #include <sys/types.h>
 #include <libxml/tree.h>
 #include <ucx/string.h>
 #include <sys/stat.h>
 #include <inttypes.h>
+
 #include <curl/curl.h>
 #include "webdav.h"
 
-#ifdef _WIN32
-#include <io.h>
+#ifndef S_IRWXG
+/* if one is not defined, the others are probably also not defined */
 #define S_IRWXG 070
 #define S_IRGRP 040
 #define S_IWGRP 020
@@ -47,7 +53,7 @@
 #define S_IROTH  04
 #define S_IWOTH  02
 #define S_IXOTH  01
-#endif /* _WIN32 */
+#endif /* S_IRWXG */
 
 #ifdef	__cplusplus
 extern "C" {