[tor-bugs] #29806 [Core Tor/Tor]: Ignore bandwidth file lines with "vote=0"

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#29806: Ignore bandwidth file lines with "vote=0"
-------------------------------------------------+-------------------------
 Reporter:  juga                                 |          Owner:  teor
     Type:  defect                               |         Status:
                                                 |  merge_ready
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.1.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-bwauth, 040-backport,            |  Actual Points:
  035-backport, 034-backport, merge-             |
  after-0403-alpha, consider-backport-           |
  after-0405-alpha, consider-backport-after-     |
  authority-test, consider-backport-after-sbws-  |
  bwauth-test                                    |
Parent ID:  #28563                               |         Points:  1
 Reviewer:  nickm, teor                          |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by teor):

 Here is the status of the backports/merges for this ticket:
 * maint-0.3.4: not merged
 * release-0.3.4: merged tor-github/pr/820 to maint-0.3.4 as ee43bc706c,
 and merged forward to release-0.3.4 as f8304cc6fb
 * maint-0.3.5: not merged
 * release-0.3.5: not merged
 * maint-0.4.0: merged tor-github/pr/847 as 06951cb3fc
 * release-0.4.0: merged maint-0.4.0 forward as fa9e0963cf
 * master: merged maint-0.4.0 forward as 2790ee3685

 We could revert the commit, but that's messy. (We don't want to revert the
 merge, because then getting the commits back in the release is hard.)

 This is a 1-line change, with associated debug log, memory management, and
 unit tests. So we decided to backport now.

 We need to make sure this change is tested on a torflow authority, and a
 sbws authority, before the next 0.3.4 or 0.3.5 release.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29806#comment:31>
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