Suspicious value setting of bHalftone in cpdf_imagerenderer.cpp

[陆扬]

Hi, I'm studying the rendering flow. The following codes seem suspicious:

line 115 ~ line 116 of https://pdfium.googlesource.com/pdfium/+/refs/heads/master/core/fpdfapi/render/cpdf_imagerenderer.cpp

Thanks.

[Lei Zhang]

Thanks for pointing that out. I put together a fix:
https://pdfium-review.googlesource.com/54630