#define none_m_width 49
#define none_m_height 49
-static char none_m_bits[] = {
+static unsigned char none_m_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0xfe,0x00,0x00,0x00,0x00,0x00,0x00,0xfe,0x00,
0x00,0x00,0x00,0x00,0x00,0xfe,0x00,0x00,0x00,0x00,0x00,0x00,0xfe,0x00,0x00,
0x00,0x00,0x00,0x00,0xfe,0x00,0x00,0x00,0x00,0x00,0x00,0xfe,0x00,0x00,0x00,