dispose() methods should clear their smart pointers

especiall the ref-counted ones

Change-Id: Ib3bb029043b1b923010ef4a47bfc377e1f569da7
Reviewed-on: https://gerrit.libreoffice.org/76102
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/starmath/source/view.cxx b/starmath/source/view.cxx
index 195b4506bd54..4c64b59e1c50 100644
--- a/starmath/source/view.cxx
+++ b/starmath/source/view.cxx
@@ -124,6 +124,7 @@ void SmGraphicWindow::dispose()
 {
     if (mxAccessible.is())
         mxAccessible->ClearWin();    // make Accessible nonfunctional
+    mxAccessible.clear();
     CaretBlinkStop();
     ScrollableWindow::dispose();
 }