patch applied (cabal-install): Use mplus not mappend for combining tar filename checks

Tue Aug 26 16:26:06 PDT 2008 Duncan Coutts * Use mplus not mappend for combining tar filename checks mappend would join the error messages in the case that both checks failed. Also the monoid instance was new in base 3. M ./Distribution/Client/Tar.hs -7 +7 View patch online: http://darcs.haskell.org/cabal-install/_darcs/patches/20080826232606-adfee-f...