a11y: Don't emit children-changed when nothing changed
authorBenjamin Otte <otte@redhat.com>
Fri, 16 Dec 2011 11:57:06 +0000 (12:57 +0100)
committerBenjamin Otte <otte@redhat.com>
Fri, 16 Dec 2011 12:39:43 +0000 (13:39 +0100)
commit113aff673f726542efd84565642651e442063a83
treef36164f489037eb2bf75f1e3bd163411b035ef98
parentd78971b31d278800ce996e44797705e72d36725a
a11y: Don't emit children-changed when nothing changed

When we have 0 columns, no children ever get added or removed.
gtk/a11y/gtktreeviewaccessible.c