Add releng/10.1 to the security.xml support page.

Approved by:	re (implicit)
Sponsored by:	The FreeBSD Foundation

en_US.ISO8859-1/htdocs/security/security.xml

@@ -126,6 +126,13 @@
       <td>January 20, 2014</td>
       <td>February 28, 2015</td>
     </tr>
+    <tr>
+      <td>releng/10.1</td>
+      <td>10.1-RELEASE</td>
+      <td>Extended</td>
+      <td>November 14, 2014</td>
+      <td>December 31, 2016</td>
+    </tr>
   </table>
 
   <p>Older releases are not maintained and users are strongly