[GHC] #9287: changed dependency generation

[GHC]

#9287: changed dependency generation
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              Reporter:  maeder      |            Owner:
                  Type:  task        |           Status:  new
              Priority:  normal      |        Milestone:
             Component:              |          Version:  7.8.2
  Documentation                      |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  Documentation bug                  |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by simonmar):

 Change that broke this: #7381

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9287#comment:2>
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