#define bishopPR_m_width 49
#define bishopPR_m_height 49
-static char bishopPR_m_bits[] = {
+static unsigned char bishopPR_m_bits[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x00, 0x00,
0x00, 0x00, 0x80, 0xff, 0x07, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x07,