crashtesting: doubly deleted reloadtimer

since...

commit 0cc70223
Date:   Tue Dec 4 15:00:43 2018 +0200

    use unique_ptr in SfxObjectShell_Impl

    Change-Id: I3f3b0514bdb87f59d9c5f34d2d36dc63e8b1e33d
    Reviewed-on: https://gerrit.libreoffice.org/64527

Change-Id: I00e2cd2bcbb9a252a45d31da650e327506d2990d
Reviewed-on: https://gerrit.libreoffice.org/64780
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sfx2/source/doc/objmisc.cxx

@@ -1284,14 +1284,14 @@ void AutoReloadTimer_Impl::Invoke()
                 SfxStringItem(SID_REFERER, pObjSh->GetMedium()->GetName()));
         }
         SfxRequest aReq( SID_RELOAD, SfxCallMode::SLOT, aSet );
-        pObjSh->Get_Impl()->pReloadTimer = nullptr;
-        delete this;
+        // this will delete this
+        pObjSh->Get_Impl()->pReloadTimer.reset();
         pFrame->ExecReload_Impl( aReq );
         return;
     }
 
-    pObjSh->Get_Impl()->pReloadTimer = nullptr;
-    delete this;
+    // this will delete this
+    pObjSh->Get_Impl()->pReloadTimer.reset();
 }
 
 SfxModule* SfxObjectShell::GetModule() const