$NetBSD: patch-lib_xtra_graf_Makefile.am,v 1.1 2020/01/24 13:33:33 pho Exp $

Install 16x16 tile set too.

--- lib/xtra/graf/Makefile.am.orig	2020-01-23 17:09:20.857756573 +0000
+++ lib/xtra/graf/Makefile.am
@@ -1,7 +1,7 @@
 ## Makefile.am -- Process this file with automake to process Makefile.in
 
 angband_files = \
-	8x8.bmp
+	8x8.bmp 16x16.bmp mask.bmp
 
 EXTRA_DIST = \
   $(angband_files)