Merge commit '2b5b1e1e'

* commit '2b5b1e1e':
  swscale: Rename is9_OR_10 to match what it does

This commit is a noop. We use isNBPS() in these places instead since
d736b52a. is9_15BPS() wouldn't be a good name in our codebase due to
supporting only up to 14 (see 2ea585b8).
Merged-by: Clément Bœsch <u@pkh.me>