Add do-list item fixing <boost/detail/endian.hpp> licensing issue.

doc/do_list.html

@@ -25,6 +25,11 @@
   firmer idea if the buffer idea actually seems to do be worthwhile in<br>
   practice.</li>
   <li>Post work-in-progress for feedback.</li>
+  <li>boost-root/boost/detail/endian.hpp: Boost.Endian should provide identical 
+  functionality in a Boost license only header. That implies rewriting the 
+  portions covered by the original SGI copyright. The boost-root/boost/detail/endian.hpp 
+  header should be changed to forward to the Boost.Endian header to preserve 
+  existing code, and the SGI copyright thus eliminated.</li>
   <li>Finalize and hold mini-review.</li>
 </ul>
 <h2>Format Review Comments</h2>