#define smalllight_height 32
#define smalllight_x_hot -1
#define smalllight_y_hot -1
-static char smalllight_bits[] = {
+static unsigned char smalllight_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
0x00, 0x03, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,