Unofficial fix for the Ruby vulnerabilities announced yesterday

[Daniel Franke-7]

Since the security team hasn't released a fix or an advisory yet for
the Ruby vulnerabilites discovered yesterday, I've rolled my own as a
stopgap.  See http://dfranke.us/rubyfix.txt

--
 Daniel Franke         df@...         http://www.dfranke.us
 |----| =|\     \\\\    
 || * | -|-\---------   Man is free at the instant he wants to be.
 -----| =|  \   ///     --Voltaire