Add AIX shared library support item to release notes.

doc/src/sgml/release.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.444 2006/09/20 11:54:23 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.445 2006/09/20 19:55:42 momjian Exp $ -->
 <!--
 
 Typical markup:
@@ -1958,6 +1958,12 @@ For new features, add links to the documentation sections.
        </para>
       </listitem>
 
+      <listitem>
+       <para>
+         Add shared library support for AIX (Albe Laurenz)
+       </para>
+      </listitem>
+
       <listitem>
        <para>
         New <acronym>XML</> documentation section (Bruce)