$NetBSD: patch-ai,v 1.1 2010/09/15 09:38:42 markd Exp $

--- gnuradio-core/src/lib/io/gr_udp_sink.cc.orig	2010-06-03 06:22:52.000000000 +0000
+++ gnuradio-core/src/lib/io/gr_udp_sink.cc
@@ -34,6 +34,9 @@
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>  //usually included by <netdb.h>?
+#endif
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>  //usually included by <netdb.h>?
 #endif