[fuchsia] Fix computation of image format features.

Change-Id: I047a2fbb6d16c63e527890395cba4363f0336b1d
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/mesa/+/1017057
Fuchsia-Auto-Submit: Josh Gargus <jjosh@google.com>
Reviewed-by: John Rosasco <rosasco@google.com>
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
1 file changed