[tor-bugs] #27418 [Core Tor/Tor]: Don't pass --flags as the first argument to echo in travis.yaml

[Tor Bug Tracker & Wiki]

#27418: Don't pass --flags as the first argument to echo in travis.yaml
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     Reporter:  teor          |      Owner:  teor
         Type:  defect        |     Status:  assigned
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  tor-ci, fast-fix
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
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 From
 https://trac.torproject.org/projects/tor/ticket/27088?replyto=4#comment:4

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27418>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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