patch applied (packages/Cabal): Use "pkg == 1.2.*" as the version wildcard syntax

[Ian Lynagh]

Tue Jul 29 08:16:12 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Use "pkg == 1.2.*" as the version wildcard syntax
  Rather than "pkg ~ 1.2.*". This seemed to be the consensus.
  The syntax "pkg == 1.2.*" means "pkg >= 1.2 && < 1.3" and it
  is to encourage people to put upper bounds on api versions.

    M ./Distribution/Version.hs -3 +3

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080729151612-adfee-fb7eae09820b768e9c012e565c2d5c056a6113e9.gz