[Rust] Help updating rand usage in rust_dct
I'm looking at packaging rust_dct for use by clamav. It fails to compile with the
lastest rand due to a large amount of API changes between 0.4 and 0.8. I've filed a
request upstream (https://github.com/ejmahler/rust_dct/issues/12) but figured I would ask
here as well if anyone has experience with rand and porting packages to the latest
version. Thanks.