[GHC] #7915: Documentation uses deprecated record GADT syntax

[GHC]

#7915: Documentation uses deprecated record GADT syntax
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Reporter:  monoidal           |          Owner:                  
    Type:  bug                |         Status:  new             
Priority:  normal             |      Component:  Documentation   
 Version:  7.6.3              |       Keywords:                  
      Os:  Unknown/Multiple   |   Architecture:  Unknown/Multiple
 Failure:  Documentation bug  |      Blockedby:                  
Blocking:                     |        Related:                  
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 Trivial patch attached.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7915>
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