[tor-bugs] #28077 [Core Tor/Tor]: remove unsafe block from cstr! macro

[Tor Bug Tracker & Wiki]

#28077: remove unsafe block from cstr! macro
--------------------------+------------------------------------
 Reporter:  cyberpunks    |          Owner:  (none)
     Type:  defect        |         Status:  merge_ready
 Priority:  Medium        |      Milestone:  Tor: 0.3.6.x-final
Component:  Core Tor/Tor  |        Version:  Tor: 0.3.4.1-alpha
 Severity:  Normal        |     Resolution:
 Keywords:  rust          |  Actual Points:
Parent ID:                |         Points:
 Reviewer:  ahf           |        Sponsor:
--------------------------+------------------------------------
Changes (by ahf):

 * status:  needs_review => merge_ready


Comment:

 The Rust nightly Travis builder fails with:

 {{{
 error: toolchain 'nightly' is not installed
 }}}

 But all the other Travis builders are green, and the code looks good, so I
 think this is safe to get in.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28077#comment:9>
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