Add const

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=840617

configxml.cpp

@@ -468,7 +468,7 @@ void ConfigXmlHandler::addItem()
         //FIXME: the split() is naive and will break on lists with ,'s in them
         QStringList tmpList = m_default.split(",");
         KUrl::List defaultList;
-        foreach (QString tmp, tmpList) {
+        foreach (const QString& tmp, tmpList) {
             defaultList.append(KUrl(tmp));
         }
         item = m_config->addItemUrlList(m_name, *d->newUrlList(), defaultList, m_key);*/