Added id to print menuitem as part of fix to bug 106374, r=syd, sr=sfraser

suite/browser/navigator.xul

@@ -222,7 +222,7 @@ Contributor(s): ______________________________________. -->
                      oncommand="if (event.target==this) BrowserPrint();"
                      tooltiptext="&printButton.tooltip;">  
         <menupopup id="printMenu">
-          <menuitem label="&printCmd.label;" accesskey="&printCmd.accesskey;"
+          <menuitem id="printMenuItemToolbar" label="&printCmd.label;" accesskey="&printCmd.accesskey;"
                     default="true" oncommand="BrowserPrint()"/>
         </menupopup>
       </toolbarbutton>