docmanager: copy docs list when closing

kate/katedocmanager.cpp

@@ -201,7 +201,7 @@ KTextEditor::Document *KateDocManager::openUrl(const QUrl &url, const QString &e
     return doc;
 }
 
-bool KateDocManager::closeDocuments(const QList<KTextEditor::Document *> &documents, bool closeUrl)
+bool KateDocManager::closeDocuments(const QList<KTextEditor::Document *> documents, bool closeUrl)
 {
     if (documents.empty()) {
         return false;

kate/katedocmanager.h

@@ -65,7 +65,7 @@ public:
     openUrls(const QList<QUrl> &, const QString &encoding = QString(), bool isTempFile = false, const KateDocumentInfo &docInfo = KateDocumentInfo());
 
     bool closeDocument(KTextEditor::Document *, bool closeUrl = true);
-    bool closeDocuments(const QList<KTextEditor::Document *> &documents, bool closeUrl = true);
+    bool closeDocuments(const QList<KTextEditor::Document *> documents, bool closeUrl = true);
     bool closeDocumentList(const QList<KTextEditor::Document *> &documents);
     bool closeAllDocuments(bool closeUrl = true);
     bool closeOtherDocuments(KTextEditor::Document *);