patch applied (cabal-install): Fix changing working dir when calling external setup but not logging

[Duncan Coutts]

Fri Aug  1 18:41:07 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Fix changing working dir when calling external setup but not logging
  Now uses a single code path for both modes.

    M ./Distribution/Client/SetupWrapper.hs -12 +13

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20080802014107-adfee-b042d69db4eee36506b455075a2839be56cbaf7f.gz