make ControlModelContainerBase::Clone return by rtl::Reference

Change-Id: Ie5d80688293dea42bea8b38fb1699e93980dd668
Reviewed-on: https://gerrit.libreoffice.org/52747
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/toolkit/controls/tabpagecontainer.hxx b/include/toolkit/controls/tabpagecontainer.hxx
index 8174acb203b6..baba7498c71f 100644
--- a/include/toolkit/controls/tabpagecontainer.hxx
+++ b/include/toolkit/controls/tabpagecontainer.hxx
@@ -54,7 +54,7 @@ public:
     UnoControlTabPageContainerModel( const css::uno::Reference< css::uno::XComponentContext >& i_factory );
     UnoControlTabPageContainerModel( const UnoControlTabPageContainerModel& rModel ) : UnoControlTabPageContainerModel_Base( rModel ),maContainerListeners( *this ) {}
 
-    UnoControlModel*    Clone() const override { return new UnoControlTabPageContainerModel( *this ); }
+    rtl::Reference<UnoControlModel> Clone() const override { return new UnoControlTabPageContainerModel( *this ); }
 
     // css::io::XPersistObject
     OUString SAL_CALL getServiceName() override;