QWidget: replace manual memory management with unique_ptr [2/N]: topextra->icon

I wonder whether a QIcon could be aggregated here by value,
as it has a null state and its default ctor sets d = nullptr.

Change-Id: I7a0f46e9fdd51a93afb5db768d46d93b08f307ec
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h
index 8fb325c763..435aae2950 100644
--- a/src/widgets/kernel/qwidget_p.h
+++ b/src/widgets/kernel/qwidget_p.h
@@ -164,7 +164,7 @@ struct QTLWExtra {
     // *************************** Cross-platform variables *****************************
 
     // Regular pointers (keep them together to avoid gaps on 64 bits architectures).
-    QIcon *icon; // widget icon
+    std::unique_ptr<QIcon> icon; // widget icon
     QWidgetBackingStoreTracker backingStoreTracker;
     QBackingStore *backingStore;
     QPainter *sharedPainter;