tdf#140700 nullptr dereference

Change-Id: I6a2ffddfd67784ddc2194dafba7d3eaeb6e4e12e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110854
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
(cherry picked from commit 20305894243e24eb383ab9feefebf4a0e9f2644f)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112083
Tested-by: Michael Weghorn <m.weghorn@posteo.de>
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
diff --git a/sc/source/ui/app/seltrans.cxx b/sc/source/ui/app/seltrans.cxx
index b725eb7..1931134 100644
--- a/sc/source/ui/app/seltrans.cxx
+++ b/sc/source/ui/app/seltrans.cxx
@@ -149,7 +149,7 @@ ScSelectionTransferObj::ScSelectionTransferObj( ScTabView* pSource, ScSelectionT
ScSelectionTransferObj::~ScSelectionTransferObj()
{
    ScModule* pScMod = SC_MOD();
    if ( pScMod->GetSelectionTransfer() == this )
    if (pScMod && pScMod->GetSelectionTransfer() == this)
    {
        //  this is reached when the object wasn't really copied to the selection
        //  (CopyToSelection has no effect under Windows)