[tor-bugs] #22164 [Core Tor/Tor]: Fix memory leak in parse_or_diff_from_header()

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#22164: Fix memory leak in parse_or_diff_from_header()
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     Reporter:  ahf           |      Owner:
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.1.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
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 We should fix the memory leak found in parse_or_diff_from_header(). This
 was found via Coverity under CID 1405876.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22164>
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