[tor-bugs] #16115 [Tor]: minor fixes: uninitialized values, undefined macros, missing pointer checks, wrong comments, spacing

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#16115: minor fixes: uninitialized values, undefined macros, missing pointer
checks, wrong comments, spacing
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 Reporter:  teor    |          Owner:
     Type:  defect  |         Status:  new
 Priority:  normal  |      Milestone:  Tor: 0.2.7.x-final
Component:  Tor     |        Version:  Tor: 0.2.7.1-alpha
 Keywords:          |  Actual Points:
Parent ID:          |         Points:
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 clang 2.7 complains that tor code contains:
 * uninitialized values, and
 * undefined macros

 I also noticed:
 * missing checks for NULL pointers,
 * incorrect comments, and
 * spacing

 I'm working on a branch to fix these issues.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16115>
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