[GHC] #12575: Support US spelling of `specialise` throughout

[GHC]

#12575: Support US spelling of `specialise` throughout
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        Reporter:  crockeea          |                Owner:  tmcgilchrist
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by tmcgilchrist):

 * owner:   => tmcgilchrist


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12575#comment:5>
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