patch applied (cabal): Refactor the missing VCS info QA check

[Duncan Coutts]

Sun Oct 10 12:23:46 PDT 2010  Duncan Coutts <duncan at haskell.org>
  * Refactor the missing VCS info QA check
  Starting with Marc Weber's code and just moving
  it about and making it fit in a bit nicer.

    M ./Distribution/PackageDescription.hs -1 +4
    M ./Distribution/PackageDescription/Check.hs -16 +30

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=20101010192346-adfee-111c6d13258fd37e966e981f6c828ac1de408ef8.gz