Hadrian: fix .cabal file
stack sdist
in the hadrian directory reported:
Package check reported the following errors:
To use the 'extra-doc-files' field the package needs to specify at
least 'cabal-version: >= 1.18'.
stack sdist
in the hadrian directory reported:
Package check reported the following errors:
To use the 'extra-doc-files' field the package needs to specify at
least 'cabal-version: >= 1.18'.