Another malingering timer.

Change-Id: Id101fe2023a1f9d6b66e7621516a1710a494ff34
diff --git a/sw/source/uibase/utlui/content.cxx b/sw/source/uibase/utlui/content.cxx
index 40b1154..4e37206 100644
--- a/sw/source/uibase/utlui/content.cxx
+++ b/sw/source/uibase/utlui/content.cxx
@@ -850,6 +850,7 @@ void SwContentTree::dispose()
{
    Clear(); // If applicable erase content types previously.
    bIsInDrag = false;
    aUpdTimer.Stop();
    SvTreeListBox::dispose();
}

@@ -2453,6 +2454,9 @@ void    SwContentTree::HideTree()

IMPL_LINK_NOARG(SwContentTree, TimerUpdate)
{
    if (IsDisposed())
        return 0;

    // No update while drag and drop.
    // Query view because the Navigator is cleared too late.
    SwView* pView = GetParentWindow()->GetCreateView();