[3.21] community/imageflow: fix build on x86_64
Companion of !77242 (merged) so that the package is usable on 3.21.
Companion of !77242 (merged) so that the package is usable on 3.21.
changed title from community/imageflow: fix build on x86_64 to [3.21] community/imageflow: fix build on x86_64
merged