--- samba-4.6.6.orig/nsswitch/wins.c	2017-01-09 09:12:30.000000000 +0100
+++ samba-4.6.6/nsswitch/wins.c	2017-08-02 22:28:16.616627669 +0200
@@ -39,6 +39,14 @@ static pthread_mutex_t wins_nss_mutex =
 #define INADDRSZ 4
 #endif
 
+#ifndef NETDB_INTERNAL
+#define NETDB_INTERNAL -1
+#endif
+
+#ifndef NETDB_SUCCESS
+#define NETDB_SUCCESS 0
+#endif
+
 NSS_STATUS _nss_wins_gethostbyname_r(const char *hostname,
 				     struct hostent *he,
 				     char *buffer,
