QQmlPreviewFileEngine: adapt to changes in QAFileEngine/Iterator [4]

See commit 3c50ad828861bee82e53469deab28b4e286cbeda in qtbase.

Pick-to: 6.7
Change-Id: Ie1bc23f0cf93c90dde1551024d2a23b2c3f2a1dc
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewfileengine.h b/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewfileengine.h
index 1a7db923e5..a742f2d464 100644
--- a/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewfileengine.h
+++ b/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewfileengine.h
@@ -92,7 +92,7 @@ class QQmlPreviewFileEngineHandler : public QAbstractFileEngineHandler
 {
 public:
     QQmlPreviewFileEngineHandler(QQmlPreviewFileLoader *loader);
-    QAbstractFileEngine *create(const QString &fileName) const override;
+    std::unique_ptr<QAbstractFileEngine> create(const QString &fileName) const override;
 
 private:
     QPointer<QQmlPreviewFileLoader> m_loader;