a11y: Handle a treeview with no columns
authorBenjamin Otte <otte@redhat.com>
Mon, 13 Nov 2017 02:51:53 +0000 (03:51 +0100)
committerBenjamin Otte <otte@redhat.com>
Mon, 13 Nov 2017 02:51:53 +0000 (03:51 +0100)
commite0d360233141e4d4fb22d5d332e5372560daff20
treeccf8c1fa38d6d7c91a640b353f2275740029b333
parentb968147e0aa714cc16fc900162512a405a5ea3c6
a11y: Handle a treeview with no columns

Code was spewing criticals to stderr because of nonexisting columns. So
check that there's actually an existing column first.
gtk/a11y/gtktreeviewaccessible.c