--- Bitmaps.h.orig	1997-01-31 22:47:58 UTC
+++ Bitmaps.h
@@ -32,7 +32,7 @@
  */
 
 
-const char c_bits[][2018] = {  // bitmaps for Clubs
+const unsigned char c_bits[][2018] = {  // bitmaps for Clubs
 {
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
@@ -1647,7 +1647,7 @@ const char c_bits[][2018] = {  // bitmaps for Clubs
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }
 };
 
-const char d_bits[][2018] = {  // Bitmaps for Dimands
+const unsigned char d_bits[][2018] = {  // Bitmaps for Dimands
 	{
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
@@ -3263,7 +3263,7 @@ const char d_bits[][2018] = {  // Bitmaps for Dimands
 };
 
 
-const char h_bits[][2018] = {  // Bitmaps for Hearts
+const unsigned char h_bits[][2018] = {  // Bitmaps for Hearts
 	{
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
@@ -4879,7 +4879,7 @@ const char h_bits[][2018] = {  // Bitmaps for Hearts
 };
 
 
-const char s_bits[][2018] = {  // Bitmaps for Spades
+const unsigned char s_bits[][2018] = {  // Bitmaps for Spades
 	{
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
@@ -6494,7 +6494,7 @@ const char s_bits[][2018] = {  // Bitmaps for Spades
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}
 };
 
-const char back_bits[] = {  // Bitmap for CardBack
+const unsigned char back_bits[] = {  // Bitmap for CardBack
    0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x40, 0x01, 0x80, 0x00, 0xa0,
    0x00, 0x00, 0x04, 0x20, 0x10, 0x02, 0x08, 0x01, 0x40, 0x00, 0x04, 0x10,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00,