[GHC] #12997: Build broken on OpenBSD

[GHC]

#12997: Build broken on OpenBSD
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        Reporter:  bgamari           |                Owner:
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  8.0.2-rc2
      Resolution:                    |             Keywords:
Operating System:  OpenBSD           |         Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * status:  new => merge


Comment:

 This was fixed by f48f5a9ebf384e1e157b7b413e1d779f4289ddd2 but
 unfortunately I forgot to create a ticket to ensure this was merged back
 to `ghc-8.0`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12997#comment:2>
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