fix openjdk build after finder size_t change
fix openjdk build after finder size_t change

I'm not sure how we didn't catch this when merging #425, but there you are.

bigfatbrowncat/avian-pack.avian,joshuawarner32/avian,ucdseniordesign/avian,ucdseniordesign/avian,bigfatbrowncat/avian-pack.avian,minor-jason/avian,bgould/avian,marcinolawski/avian,dicej/avian,bgould/avian,lwahlmeier/avian,minor-jason/avian,dicej/avian,ucdseniordesign/avian,ucdseniordesign/avian,bigfatbrowncat/avian-pack.avian,MaartenR/avian,joshuawarner32/avian,MaartenR/avian,lwahlmeier/avian,lwahlmeier/avian,marcinolawski/avian,lwahlmeier/avian,marcinolawski/avian,dicej/avian,dicej/avian,bgould/avian,minor-jason/avian,marcinolawski/avian,MaartenR/avian,MaartenR/avian,joshuawarner32/avian,bgould/avian,joshuawarner32/avian,bigfatbrowncat/avian-pack.avian,minor-jason/avian