[tor-bugs] #18921 [Core Tor/Tor]: Fix IPv6 bridge client directory address selection

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#18921: Fix IPv6 bridge client directory address selection
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 Reporter:  teor                                 |          Owner:
     Type:  defect                               |         Status:
 Priority:  Medium                               |  needs_review
Component:  Core Tor/Tor                         |      Milestone:  Tor:
 Severity:  Normal                               |  0.2.8.x-final
 Keywords:  must-fix-before-028-rc               |        Version:  Tor:
  TorCoreTeam201604                              |  0.2.8.1-alpha
Parent ID:  #18483                               |     Resolution:
 Reviewer:  isis                                 |  Actual Points:  1 hour
                                                 |         Points:  small
                                                 |        Sponsor:
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Changes (by teor):

 * status:  needs_revision => needs_review


Comment:

 Oh, hang on, we're getting the primary address because we want to put it
 in an extend_info when creating a circuit to the third hop. So that's OK,
 but I obviously need a better comment there.

 7e5f0bb fixup! Choose the correct address for one-hop connection
 on my branch feature18483.

 And we don't have a node, so the node_get_prim_orport() function is out.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18921#comment:5>
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