James Zern 0957fd69ee tiffdec: add grayscale support
the file is always decoded to RGBA, so just the samples_per_px needed an
update

Bug: webp:563
Change-Id: I95d95c3b9e45dc8ecb2223f89f4ba791f0b21e8b
2022-03-31 21:43:29 -07:00
..
2021-11-23 10:13:40 -08:00
2022-03-31 21:43:29 -07:00