[Varnish] #935: "varnishadm: free(): invalid pointer" when varnishadm does not have read access to secret

[Varnish]

#935: "varnishadm: free(): invalid pointer" when varnishadm does not have read
access to secret
------------------------------+---------------------------------------------
  Reporter:  scoof            |        Type:  defect    
    Status:  closed           |    Priority:  lowest    
 Milestone:  Varnish 3.0 dev  |   Component:  varnishadm
   Version:  trunk            |    Severity:  trivial   
Resolution:  fixed            |    Keywords:            
------------------------------+---------------------------------------------

Comment(by Geoff Simmons <geoff@…>):

 (In [eb5c9a2870b493b4c914bf56b159615a2d567896]) Fix crash in varnishadm
 when secret file is unreadable

 Record the original strdup-ed value so we can free it afterwards.

 Fixes: #935

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Ticket URL: </ticket/935#comment:2>
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