Add ScopeExit.

[SVN r50822]

libs/libraries.htm

@@ -238,6 +238,8 @@ how to download, build, and install the libraries.</p>
 
     <li><a href="regex/index.html">regex</a> - Regular expression
         library, from John Maddock.</li>
+    <li><a href="scope_exit/doc/html/index.html">scope_exit</a>
+        - Execute arbitrary code at scope exit, from Alexander Nasonov.</li>
     <li><a href="serialization/doc/index.html">serialization</a>
         - Serialization for persistence and marshalling, from Robert Ramey</li>
     <li><a href="signals/index.html">signals</a> - managed signals &amp;
@@ -672,6 +674,8 @@ of arbitrary data for persistence and marshalling, from Robert Ramey</li>
     wrapper for optional values, from Fernando Cacciola.</li>
     <li><a href="../doc/html/program_options.html">program_options</a> - Access to configuration
         data given on command line, in config files and other sources, from Vladimir Prus.</li>
+    <li><a href="scope_exit/doc/html/index.html">scope_exit</a>
+        - Execute arbitrary code at scope exit, from Alexander Nasonov.</li>
     <li><a href="statechart/doc/index.html">statechart</a> - Arbitrarily
     complex finite state machines can be implemented in easily readable and
     maintainable C++ code, from Andreas Huber.</li>