patch applied (hsc2hs): Add --keep-files flag; patch from Brian Bloniarz

Wed Mar 23 10:18:56 PDT 2011  Ian Lynagh <igloo <at> earth.li>
  * Add --keep-files flag; patch from Brian Bloniarz

    M ./DirectCodegen.hs -3 +8
    M ./Main.hs +2

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=hsc2hs;a=darcs_commitdiff;h=20110323171856-3fd76-46b2d961eb86e3a6a97e3b7a1fef9baa33ca8e84.gz