[GHC] #1858: scripts should be installed using $(INSTALL_SCRIPT)

[GHC]

#1858: scripts should be installed using $(INSTALL_SCRIPT)
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    Reporter:  guest         |        Owner:         
        Type:  bug           |       Status:  new    
    Priority:  normal        |    Milestone:         
   Component:  Build System  |      Version:  6.8.1  
    Severity:  normal        |   Resolution:         
    Keywords:                |     Testcase:         
Architecture:  Multiple      |           Os:  Solaris
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Comment (by guest):

 This also applies to `utils/mkdirhier/Makefile`

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1858#comment:1>
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