patch applied (cabal): Fix the env var names used in the Paths module

[Duncan Coutts]

Tue Sep 16 02:35:25 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Fix the env var names used in the Paths module
  Convert any '-' in the package name to '_' when generating the
  path env var as most shells do not allow '-' in env var names.

    M ./Distribution/Simple/Build/PathsModule.hs -1 +4

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20080916093525-adfee-bd0c4add8f8fcfa5c663fcc4c70668987bbdb0dd.gz