If MIN() is undefined, just define one instead of including utility.h

on SunOS, which presumes a version of eti.h that has some extras over
what is provided in ncurses/eti.h, causing unnecessary build errors.

net/vino/distinfo

@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.13 2015/11/04 00:35:43 agc Exp $
+$NetBSD: distinfo,v 1.14 2016/03/24 13:36:52 richard Exp $
 
 SHA1 (vino-2.32.2.tar.bz2) = e457d1c5705607c3cd18b7e6fbb8776b7483c733
 RMD160 (vino-2.32.2.tar.bz2) = 1de0923ef33a73dd6a9c4e761291728c552708e8
@@ -7,3 +7,4 @@ Size (vino-2.32.2.tar.bz2) = 856440 bytes
 SHA1 (patch-aa) = d240f809769fee144ce0a6057327107ade82ef6c
 SHA1 (patch-ab) = 0c09812fc98bced9938a0460305c7dbcbed40ad3
 SHA1 (patch-ad) = 0e1b226e8c5ac5f9e3d3c7270b9a19a2314ef737
+SHA1 (patch-server_miniupnp_miniwget.c) = 6612c1a16d955c0e60546209d0e2f47546a976ff

net/vino/patches/patch-server_miniupnp_miniwget.c

@@ -0,0 +1,20 @@
+$NetBSD: patch-server_miniupnp_miniwget.c,v 1.1 2016/03/24 13:36:52 richard Exp $
+
+If MIN() is undefined, just define one instead of including utility.h
+on SunOS, which presumes a version of eti.h that has some extras over
+what is provided in ncurses/eti.h, causing unnecessary build errors.
+
+--- server/miniupnp/miniwget.c.orig	2011-02-23 20:29:05.000000000 +0000
++++ server/miniupnp/miniwget.c
+@@ -26,9 +26,8 @@
+ #include <arpa/inet.h>
+ #define closesocket close
+ #endif
+-/* for MIN() macro : */
+-#if defined(__sun) || defined(sun)
+-#include <utility.h>
++#ifndef	MIN
++#define	MIN(x, y)	((x) < (y) ? (x) : (y))
+ #endif
+ 
+ /* miniwget2() :