WebPIoInitFromOptions: treat use_scaling as a bool
this matches the description in WebPDecoderOptions and prevents a
mismatch between the user supplied options and the ones used by io.
@@ -821,7 +821,7 @@ int WebPIoInitFromOptions(const WebPDecoderOptions* const options,
io->mb_h = h;
// Scaling
- io->use_scaling = (options != NULL) && (options->use_scaling > 0);
+ io->use_scaling = (options != NULL) && options->use_scaling;
if (io->use_scaling) {
int scaled_width = options->scaled_width;
int scaled_height = options->scaled_height;
