$NetBSD: patch-rank.bm,v 1.1 2018/02/19 09:51:48 he Exp $

--- rank.bm.orig	1999-02-26 19:26:25.000000000 +0000
+++ rank.bm
@@ -11,7 +11,7 @@
  */
 #define rank_width 9
 #define rank_height 14
-static char rank_bits[13][28] = {
+static unsigned char rank_bits[13][28] = {
   { 0x38, 0x00, 0x38, 0x00, 0x38, 0x00, 0x6c, 0x00, 0x6c, 0x00, 0x6c, 0x00,
     0x6c, 0x00, 0xc6, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0xc6, 0x00, 0x83, 0x01,
     0x83, 0x01, 0x83, 0x01},