fixed missing '$'

releng.wtpbuilder/distribution/wtp.site/staticDropFiles/buildNotes.php

@@ -38,7 +38,7 @@
                         $hasNotes = true;
                 }
         }
-        aDirectory.closedir();
+	$aDirectory.closedir();
         if (!$hasNotes) {
                 echo "<br>There are no build notes for this build.";
         }