[GHC] #15480: Rename SigTv

[GHC]

#15480: Rename SigTv
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        Reporter:  nomeata           |                Owner:  (none)
            Type:  task              |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.5
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5074
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by nomeata):

 * status:  new => patch
 * differential:   => Phab:D5074


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15480#comment:2>
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