[tor-bugs] #20266 [Core Tor/Tor]: Provide a shim for SSL_cipher_get_id in OpenSSL versions < 1.0.1

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#20266: Provide a shim for SSL_cipher_get_id in OpenSSL versions < 1.0.1
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     Reporter:  teor          |      Owner:
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.2.9.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  regression, openssl
Actual Points:                |  Parent ID:
       Points:  0.1           |   Reviewer:
      Sponsor:                |
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 Tor fails to compile on OpenSSL 1.0.0, because we use SSL_cipher_get_id,
 which was introduced in OpenSSL 1.0.1.

 We can access the id member of the cipher object instead, like this:
 https://github.com/SlimRoms/android_external_chromium/commit/731158395b8ae1105c69cc42dae6244385f6b4ff

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20266>
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