[GHC] #4103: report location of global package db in ghc --info

[GHC]

#4103: report location of global package db in ghc --info
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    Reporter:  duncan            |        Owner:  simonmar    
        Type:  feature request   |       Status:  new         
    Priority:  normal            |    Milestone:              
   Component:  Compiler          |      Version:  6.12.2      
    Keywords:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Testcase:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
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Changes (by simonmar):

  * owner:  => simonmar


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4103#comment:1>
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