fix showing wrong amount of updated feeds in notification

src/librssguard/gui/notifications/articlelistnotification.cpp

@@ -87,9 +87,11 @@ void ArticleListNotification::loadResults(const QHash<Feed*, QList<Message>>& ne
       continue;
     }
 
+    if (m_newMessages[fd].size() > 0) {
       m_ui.m_cmbFeeds->addItem(fd->sanitizedTitle(), QVariant::fromValue(fd));
     }
   }
+}
 
 void ArticleListNotification::openArticleInArticleList() {
   emit openingArticleInArticleListRequested(m_ui.m_cmbFeeds->currentData().value<Feed*>(), selectedMessage());