language submenu from tools->language->for selection->"languages"...

is always disabled/empty since...

commit a6e8910a
Date:   Wed Feb 17 12:07:59 2016 +0100

    allow disabling file/new, wizards, recent documents menu entries

    disabling the dispatches '.uno:AutoPilotMenu' and '.uno:AddDirect' and
    .uno:RecentFileList via UNO API now results in disabled
    menu entries as expected

    Change-Id: Id99be9374306ff8c0cea919ea94ed96f715a8058
    Reviewed-on: https://gerrit.libreoffice.org/22422

reverting this hunk restores them again

Change-Id: I029c9c3f25fb593127ee8371b278cee102c65882
Reviewed-on: https://gerrit.libreoffice.org/22749Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

framework/source/uielement/menubarmanager.cxx

@@ -860,8 +860,6 @@ IMPL_LINK_TYPED( MenuBarManager, Activate, Menu *, pMenu, bool )
                                 xMenuItemDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 );
 
                             bool bPopupMenu( false );
-                            if(xMenuItemDispatch != nullptr)
-                            {
                             if ( !pMenuItemHandler->xPopupMenuController.is() &&
                                  m_xPopupMenuControllerFactory->hasController( pMenuItemHandler->aMenuItemURL, m_aModuleIdentifier ) )
                             {
@@ -875,7 +873,6 @@ IMPL_LINK_TYPED( MenuBarManager, Activate, Menu *, pMenu, bool )
                                 if (PopupMenu*  pThisPopup = pMenu->GetPopupMenu( pMenuItemHandler->nItemId ))
                                     pMenu->EnableItem( pMenuItemHandler->nItemId, pThisPopup->GetItemCount() != 0 );
                             }
-                            }
                             lcl_CheckForChildren(pMenu, pMenuItemHandler->nItemId);
 
                             if ( xMenuItemDispatch.is() )