dev-lang/ghc: add missing bash completion
tree41346d110c93ec6136c44da6650cd6cd6dfa6ce9
drwxr-xr-x - app-admin
drwxr-xr-x - app-emacs
drwxr-xr-x - app-shells
drwxr-xr-x - dev-lang
drwxr-xr-x - dev-lisp
drwxr-xr-x - dev-texlive
drwxr-xr-x - dev-util
drwxr-xr-x - net-analyzer
drwxr-xr-x - profiles
drwxr-xr-x - sys-apps