patch applied (cabal): When looking for already pre-processed source files, check the build directory

Thu Aug 19 17:17:55 PDT 2010 Ian Lynagh * When looking for already pre-processed source files, check the build directory Fixes hscolour'ing Config.hs in GHC M ./Distribution/Simple/PreProcess.hs -1 +1 View patch online: http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal;a=darcs_commitdiff;h=2...