patch applied (ghc): Workaround for #1959: assume untracked names have changed

[Simon Marlow]

Thu Dec  6 01:23:49 PST 2007  Simon Marlow <simonmar at microsoft.com>
  * Workaround for #1959: assume untracked names have changed
  This fixes the 1959 test, but will do more recompilation than is
  strictly necessary (but only when -O is on).  Still, more
  recompilation is better than segfaults, link errors or other random
  breakage.

    M ./compiler/iface/MkIface.lhs -4 +10