patch applied (ghc-6.12/packages/Cabal): Make it so cabal passes the dylib-install-name when building dynamic libraries on Mac OS/X.

[Ian Lynagh]

Fri Dec  4 06:41:42 PST 2009  Ian Lynagh <igloo at earth.li>
  * Make it so cabal passes the dylib-install-name when building dynamic libraries on Mac OS/X.
  This is a rerecord of
      Stephen Blackheath <oversensitive.pastors.stephen at blacksapphire.com>**20091001053101
  to avoid conflicts.

    M ./Distribution/Simple/GHC.hs -2 +11