[GHC] #10511: Simplify some preprocessor expressions

[GHC]

#10511: Simplify some preprocessor expressions
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        Reporter:  Berdes            |                   Owner:  Berdes
            Type:  task              |                  Status:  closed
        Priority:  low               |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:  fixed             |                Keywords:
Operating System:  Windows           |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:  Phab:D981
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Changes (by thomie):

 * differential:  D981 => Phab:D981
 * os:  Unknown/Multiple => Windows


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10511#comment:4>
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