patch applied (cabal-install): Preserve executable permissions on unpack

[Duncan Coutts]

Mon Jan 17 06:49:00 PST 2011  Duncan Coutts <duncan at community.haskell.org>
  * Preserve executable permissions on unpack

    M ./Distribution/Client/Tar.hs -4 +11
    A ./Distribution/Compat/FilePerms.hs

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=cabal-install;a=darcs_commitdiff;h=20110117144900-5c91e-f30c0c21b8b6c21fa2429efa870306d739aba17d.gz