tdf#94709 - protect TableWindowTitle Command execution.

Change-Id: I202a154e18c1fbffc31abcc7ccd7f500b67a4c13
Reviewed-on: https://gerrit.libreoffice.org/19233Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

dbaccess/source/ui/querydesign/TableWindowTitle.cxx

@@ -110,7 +110,11 @@ void OTableWindowTitle::Command( const CommandEvent& rEvt )
     {
         GrabFocus();
         if ( m_pTabWin )
-            m_pTabWin->Command( rEvt );
+        {
+            // tdf#94709 - protect shutdown code-path.
+            VclPtr<OTableWindow> xTabWin(m_pTabWin);
+            xTabWin->Command( rEvt );
+        }
         else
             Control::Command(rEvt);
     }