docs: Mark 9.4 release notes as current as of today

bmomjian · bmomjian · commit ea78ce1d457d · 2014-05-10T22:03:24.000-04:00
diff --git a/doc/src/sgml/release-9.4.sgml b/doc/src/sgml/release-9.4.sgml
@@ -7,7 +7,7 @@
   <note>
    <title>Release Date</title>
    <simpara>2014-??-??</simpara>
-   <simpara>Current as of 2014-05-03</simpara>
+   <simpara>Current as of 2014-05-10</simpara>
   </note>
 
   <sect2>
