Fixes #10045: use v2.3.2 release link in old docs instead of master zip

2.3.2/getting-started.html

@@ -126,7 +126,7 @@
             <div class="span6">
               <h2>Download source</h2>
               <p>Get the original files for all CSS and JavaScript, along with a local copy of the docs by downloading the latest version directly from GitHub.</p>
-              <p><a class="btn btn-large" href="https://github.com/twbs/bootstrap/zipball/master" >Download Bootstrap source</a></p>
+              <p><a class="btn btn-large" href="https://github.com/twbs/bootstrap/archive/v2.3.2.zip" >Download Bootstrap source</a></p>
             </div>
           </div>
         </section>