[Varnish] #911: parameter "vcc_err_unref" don't work on subroutine

[Varnish]

#911: parameter "vcc_err_unref" don't work on subroutine
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 Reporter:  ehocdet          |        Type:  defect
   Status:  new              |    Priority:  normal
Milestone:  Varnish 3.0 dev  |   Component:  build 
  Version:  trunk            |    Severity:  normal
 Keywords:  vcc_err_unref    |  
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 according to:
 http://www.varnish-
 cache.org/trac/changeset/38d7ebb0ac5d3ad387869f423589f9ff3b33a71c#file7

 unref subroutine must be show a warning not a error with vcc_err_unref=off
 param.

 patch to correct this:

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Ticket URL: <http://varnish-cache.org/trac/ticket/911>
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