patch applied (cabal): Only print message about ignoring -threaded if its actually present

Fri Feb 6 09:47:07 PST 2009 Duncan Coutts * Only print message about ignoring -threaded if its actually present M ./Distribution/Simple/GHC.hs -4 +5 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20090206174707-adfee-5ad5e7e41...