[tor-bugs] #30176 [Core Tor/Tor]: Clear memory in smartlist_remove_keeporder.

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#30176: Clear memory in smartlist_remove_keeporder.
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 Reporter:  paldium                              |          Owner:  (none)
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.1.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  unspecified
 Severity:  Minor                                |     Resolution:
 Keywords:  035-backport? 040-backport?          |  Actual Points:
  defense-in-depth?                              |
Parent ID:                                       |         Points:
 Reviewer:  nickm                                |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by nickm):

 Looks good to me.  I've put it in a branch called `ticket30176`, and added
 a changes file and a comment.  For CI purposes I've made a PR at
 https://github.com/torproject/tor/pull/955 .  If CI passes, let's merge.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30176#comment:3>
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