Update release notes to be current as of CVS today.

doc/src/sgml/release.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.449 2006/09/22 01:52:27 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.450 2006/09/22 03:04:23 momjian Exp $ -->
 <!--
 
 Typical markup:
@@ -29,7 +29,7 @@ For new features, add links to the documentation sections.
    <note>
     <title>Release date</title>
     <simpara>2005-1?-??</simpara>
-    <para>CURRENT AS OF 2006-09-18</>
+    <para>CURRENT AS OF 2006-09-21</>
    </note>
 
    <sect2>
@@ -1147,6 +1147,17 @@ For new features, add links to the documentation sections.
        </para>
       </listitem>
 
+      <listitem>
+       <para>
+        Provide advisory locking functionality (Abhijit Menon-Sen, Tom)
+       </para>
+
+       <para>
+        This is a new locking API compared to what used to be in /contrib.
+        The /contrib code is now on pgfoundry.
+       </para>
+      </listitem>
+
       <listitem>
        <para>
         Allow <command>COPY</> to dump a <command>SELECT</> query