[wwwdocs] gcc-3.1/changes.html -- update libstdc++ FAQ link

[Gerald Pfeifer]

Installed.  (The FAQ doesn't seem to have this information in detail,
but better leave the reference as such.)

Gerald

Index: gcc-3.1/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-3.1/changes.html,v
retrieving revision 1.61
diff -u -3 -p -r1.61 changes.html
--- gcc-3.1/changes.html	18 Feb 2007 12:49:29 -0000	1.61
+++ gcc-3.1/changes.html	3 May 2008 12:16:11 -0000
@@ -172,7 +172,7 @@
     function must return the same variable.</p>
     </li>
 <li><p>Improvements to the C++ library are listed in
-    <a href="http://gcc.gnu.org/onlinedocs/libstdc++/faq/index.html#4_1">the
+    <a href="http://gcc.gnu.org/onlinedocs/libstdc++/faq.html">the
     libstdc++-v3 FAQ</a>.</p>
     </li>
 </ul>