[tor-bugs] #20984 [Core Tor/Tor]: Clean up the check-spaces script

[Tor Bug Tracker & Wiki]

#20984: Clean up the check-spaces script
------------------------------+-------------------
     Reporter:  cypherpunks   |      Owner:
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:  #5500
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+-------------------
 Cleaning up means
 - converting indentation using tabs to spaces
 - fixing unsafe constructs
 - enabling pragmas to detect unsafe constructs in the future

 Doing this as part of #5500.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20984>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online