@ -15,7 +15,7 @@ static void free_WebPPicture(WebPPicture* webpPicture) {
free(webpPicture);
}
static int webpEncodeGray(WebPConfig *config, WebPPicture *picture) {
static int webpEncodeGray(const WebPConfig *config, WebPPicture *picture) {
int ok = 0;
const int c_width = (picture->width + 1) >> 1;
const int c_height = (picture->height + 1) >> 1;