bug 228218 - Cannot save media (image,...) from page info (validateFileName is not defined)

patch by Gilles Durys <mozbug@durys.net>, r=db48x, sr=dbaron

suite/browser/pageInfo.xul

@@ -47,6 +47,7 @@
   persist="screenX screenY width height sizemode">
 
   <script type="application/x-javascript" src="chrome://communicator/content/contentAreaUtils.js"/>
+  <script type="application/x-javascript" src="chrome://communicator/content/utilityOverlay.js"/>
   <script type="application/x-javascript" src="chrome://navigator/content/pageInfo.js"/>
   <script type="application/x-javascript" src="chrome://help/content/contextHelp.js"/>