Qt, locationBar: translate Input->Name

Here, input_item_GetTitleFbName fails us, since we need to translate
Name, but not Title (I think)
Close  #4551

modules/gui/qt4/components/playlist/playlist.cpp

@@ -261,9 +261,16 @@ void LocationBar::setIndex( const QModelIndex &index )
     while( true )
     {
         PLItem *item = model->getItem( i );
+        QString text;
 
-        char *fb_name = input_item_GetTitleFbName( item->inputItem() );
-        QString text = qfu(fb_name);
+        char *fb_name = input_item_GetTitle( item->inputItem() );
+        if( !EMPTY_STR( fb_name ) )
+             text = qfu(fb_name);
+        else
+        {
+            fb_name = input_item_GetName( item->inputItem() );
+            text = qtr(fb_name);
+        }
         free(fb_name);
 
         QAbstractButton *btn = new LocationButton( text, first, !first, this );