title: ...mysql2/mysql2.so: [BUG] Segmentation fault ruby 2.0.0p247
body: <p>I'm using windows7x64, ruby2.0.0p247, rails4.0.0 and mysql5.5.27.<br>
  When I run the <code>$ rails server</code> command, I got the following error.</p>
  
  <pre><code>C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/mysql2-0.3.13/lib/mysql2/mysql2.so: [BUG] Segmentation fault
  ruby 2.0.0p247 (2013-06-27) [x64-mingw32]
  </code></pre>
  
  <p>How can I get rid of this error?</p>