dsp/lossless_enc.c: clear int sanitizer warnings
in TransformColorBlue; make new_blue an int to avoid:
implicit conversion from type 'int' of value 264 (32-bit, signed) to
type 'uint8_t' (aka 'unsigned char') changed the value to 8 (8-bit,
unsigned)
@@ -569,7 +569,7 @@ static WEBP_INLINE uint8_t TransformColorBlue(uint8_t green_to_blue,
uint32_t argb) {
const int8_t green = U32ToS8(argb >> 8);
const int8_t red = U32ToS8(argb >> 16);
- uint8_t new_blue = argb & 0xff;
+ int new_blue = argb & 0xff;
new_blue -= ColorTransformDelta((int8_t)green_to_blue, green);
new_blue -= ColorTransformDelta((int8_t)red_to_blue, red);
return (new_blue & 0xff);
