Fix broken links on NaCl pages of developer.chrome.com.

native_client_sdk/doc_generated/community/middleware.html

 {{+bindTo:partials.standard_nacl_article}}
 
 <section id="middleware-and-software-support">
 <h1 id="middleware-and-software-support">Middleware and Software Support</h1>
 </section>
 
 <p>This page showcases middleware that supports Native Client, as well as libraries and other software packages that have been ported
 to Native Client. For an example of some applications that were produced using this software, see the
 <a href="application-gallery">Application Gallery</a>.</p>
 
 <section>
 <h2>Software middleware partners</h2>
 <br>
 
 <table class="showcase">
   <tbody>
     <tr class="col3">
       <td><a href="http://www.unity3d.com" target="_blank"><img src="/native-client/images/unity_logo.jpg"></a></td>
       <td><a href="http://www.mono-project.com/" target="_blank"><img src="/native-client/images/mp_mono_logo.png"></a></td>
-      <td><a href="http:havok.com/" target="_blank"><img src="/native-client/images/havok_logo.jpg"></a></td>
+      <td><a href="http://havok.com/" target="_blank"><img src="/native-client/images/havok_logo.jpg"></a></td>
     </tr>
 
     <tr class="col3">
       <td><a href="http://www.blitzgamesstudios.com/blitztech/" target="_blank"><img src="/native-client/images/blitztech_logo.jpg"></a></td>
       <td><a href="http://bulletphysics.org/wordpress/" target="_blank"><img src="/native-client/images/bullet_logo-210-86.png"></a></td>
       <td><a href="http://www.fmod.org/index.php/download" target="_blank"><img src="/native-client/images/fmod_logo.png"></a></td>
     </tr>
 
     <tr>
       <td><a href="http://www.audiokinetic.com/en/products/wwise/introduction" target="_blank"><img src="/native-client/images/wwise_logo.png"></a></td>
@@ skipping 39 matching lines @@
     <tr>
       <td><b>OCaml</b></td>
       <td>A compiler that converts Objective Caml source code into Native Client-compliant machine code.</td>
       <td><a href="http://code.google.com/p/nacl-ocaml/" target="_blank">Source</a></td>
     </tr>
   </tbody>
 </table>
 </section>
 
 {{/partials.standard_nacl_article}}