patch applied (packages/regex-compat): Make the base >= 2.0 requirement explicit

[Duncan Coutts]

Tue Oct 23 04:29:23 PDT 2007  Duncan Coutts <duncan at haskell.org>
  * Make the base >= 2.0 requirement explicit
  Since the modules provided by regex-compat are provided in base-1.0 so
  regex-compat would conflict with base-1.0.

    M ./regex-compat.cabal -1 +1