Add a missing include, so all 64bit archs are recognized correctly.

Closes PR 16421 by Lloyd Parkes.

graphics/xpm/distinfo

@@ -1,7 +1,8 @@
-$NetBSD: distinfo,v 1.5 2001/07/06 21:11:33 tron Exp $
+$NetBSD: distinfo,v 1.6 2002/05/12 22:38:38 martin Exp $
 
 SHA1 (xpm-3.4k.tar.gz) = a8eac19e5772bf7b3b177353686c1401fbf334bd
 Size (xpm-3.4k.tar.gz) = 148887 bytes
 SHA1 (patch-aa) = 86264a0d832382eef43af740f16bcdf9448f4573
 SHA1 (patch-ab) = 0c8f317cdbde27929790e46d1711ada5e454b79d
 SHA1 (patch-ac) = a0f1692ecfbf0160f5e5a5e3f31ac9398ff667b7
+SHA1 (patch-ad) = fb85487779cf5430224ae6f0a8cdc55350687eae

graphics/xpm/patches/patch-ad

@@ -0,0 +1,12 @@
+$NetBSD: patch-ad,v 1.1 2002/05/12 22:38:38 martin Exp $
+
+--- lib/XpmI.h.orig	Thu Mar 19 20:51:00 1998
++++ lib/XpmI.h	Mon May 13 00:33:23 2002
+@@ -42,6 +42,7 @@
+ #ifndef XPMI_h
+ #define XPMI_h
+ 
++#include <X11/Xmd.h>
+ #include "xpm.h"
+ 
+ /*