fix some compile warnings

addons/filetree/katefiletreemodel.cpp

@@ -1326,8 +1326,8 @@ void KateFileTreeModel::setupIcon(ProxyItem *item) const
 
 void KateFileTreeModel::resetHistory()
 {
-    QSet<ProxyItem *> list = QSet<ProxyItem *>::fromList(m_viewHistory);
-    list += QSet<ProxyItem *>::fromList(m_editHistory);
+    QSet<ProxyItem *> list{m_viewHistory.begin(), m_viewHistory.end()};
+    list += QSet<ProxyItem *>{m_editHistory.begin(), m_editHistory.end()};
 
     m_viewHistory.clear();
     m_editHistory.clear();

kate/kateviewspace.cpp

@@ -680,7 +680,7 @@ void KateViewSpace::restoreConfig(KateViewManager *viewMan, const KConfigBase *c
                 // with applying saved session settings until the remote's temp file is initialised.
                 if (!view->document()->url().isLocalFile()) {
                     QSharedPointer<QMetaObject::Connection> conn(new QMetaObject::Connection());
-                    auto handler = [conn, view, configGroup](KTextEditor::Document *doc) {
+                    auto handler = [conn, view, configGroup](KTextEditor::Document *) {
                         disconnect(*conn);
                         view->readSessionConfig(configGroup);
                     };