patch applied (ghc): On amd64/OSX we don't need to be given memory in the first 31bits

[Ian Lynagh]

Thu Aug  5 05:06:00 PDT 2010  Ian Lynagh <igloo at earth.li>
  * On amd64/OSX we don't need to be given memory in the first 31bits
  as PIC is always on

    M ./rts/Linker.c -4 +24

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20100805120600-3fd76-c50f6d8216e9f24932b8c73484c0a04de6acf44d.gz