patch applied (ghc): Use a stable ordering for the export list in the interface

[Simon Marlow]

Thu Jul 16 05:26:01 PDT 2009  Simon Marlow <marlowsd at gmail.com>
  * Use a stable ordering for the export list in the interface
  Ignore-this: 847dd7adc8b52e56f28d2478c78c925
  The export list was ordered according to the whim of FastStrings,
  which meant that interface fingerprints could change for no good
  reason, causing spurious recompilation.

    M ./compiler/iface/MkIface.lhs -3 +6

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090716122601-12142-7ef9da101f9a7c31011dfd5a4c091796ea1ba129.gz