patch applied (cabal): Only pass -B... to gcc for GHC < 6.11

[Ian Lynagh]

Mon Oct 12 07:47:07 PDT 2009  Ian Lynagh <igloo at earth.li>
  * Only pass -B... to gcc for GHC < 6.11
  It is no longer needed in 6.12.

    M ./Distribution/Simple/GHC.hs -4 +8

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20091012144707-3fd76-fcace98da4bac0d7544cda637fa5a2b98d2e0f47.gz