diff --git a/gl/m4/sockpfaf.m4 b/gl/m4/sockpfaf.m4
index 8a0c23603857399f96dd83bbf4f6e6564a8c7b43..8806705ae227ffb0272a0ee02265e5ea618e1b6e 100644 (file)
--- a/gl/m4/sockpfaf.m4
+++ b/gl/m4/sockpfaf.m4
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
#endif]],
[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
if (&x && &y && &z) return 0;]])],