--- src/devices/grolbp/charset.h.orig	2000-02-27 01:42:07 UTC
+++ src/devices/grolbp/charset.h
@@ -1,6 +1,6 @@
 // Definition of the WP54 character set
 
-char symset[] = {
+unsigned char symset[] = {
 0x57,0x50,0x35,0x34,0x00,0x41,0x76,0x61,0x6e,0x74,0x47,0x61,
 0x72,0x64,0x65,0x2d,0x42,0x6f,0x6f,0x6b,0x00,0x41,0x76,
 0x61,0x6e,0x74,0x47,0x61,0x72,0x64,0x65,0x2d,0x44,0x65,