[ruby/prism] Add explicit check for PRISM_HAS_NO_FILESYSTEM
https://github.com/ruby/prism/commit/89c22f0e6c
[ruby/prism] Add explicit check for PRISM_HAS_NO_FILESYSTEM
https://github.com/ruby/prism/commit/89c22f0e6c