[XForms] Add support for XPath function current(). Bug 342857, r=doronr+olli

git-svn-id: svn://10.0.0.236/trunk@219908 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/xforms/nsXFormsModule.cpp

@@ -112,6 +112,8 @@ UnregisterXFormsModule(nsIComponentManager *aCompMgr,
   printf("XFORMS Module: Unregistering\n");
 #endif
 
+  nsXFormsUtils::Shutdown();
+
   nsCOMPtr<nsICategoryManager> catman =
     do_GetService(NS_CATEGORYMANAGER_CONTRACTID);