patch applied (cabal-install): Turn on assertion checking even in -O builds

[Duncan Coutts]

Wed Jun  4 03:00:33 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Turn on assertion checking even in -O builds
  Although it is expensive, we want to catch problems early.

    M ./cabal-install.cabal -1 +3

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20080604100033-adfee-ec91ba4910941ed391f7719dc3f9903f6f5c2692.gz