patch applied (ghc): eliminate a crash when trying to use :break on a compiled module (test: break007)

[Simon Marlow]

Wed May  9 06:24:24 PDT 2007  Simon Marlow <simonmar at microsoft.com>
  * eliminate a crash when trying to use :break on a compiled module (test: break007)

    M ./compiler/ghci/InteractiveUI.hs -1 +1