tor 0.2.4.20

"fixes an issue that would create more preemptive circuits than actually need, and a security issue related to poor random number generation."

* Announcement: https://lists.torproject.org/pipermail/tor-talk/2013-December/031483.html

Closes Homebrew/legacy-homebrew#25764.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/tor.rb

@@ -2,8 +2,8 @@
 
 class Tor < Formula
   homepage 'https://www.torproject.org/'
-  url 'https://www.torproject.org/dist/tor-0.2.4.19.tar.gz'
-  sha1 'f0050921016d63c426f0c61dbaa8ced50a36474b'
+  url 'https://www.torproject.org/dist/tor-0.2.4.20.tar.gz'
+  sha1 '09ba4eda9a73c46852a277b721ed74c8263e8dba'
 
   devel do
     url 'https://www.torproject.org/dist/tor-0.2.5.1-alpha.tar.gz'