[evince] shell: Replace deprecated symbol on ev-toolbar

[Germán Poo-Caamaño <gpoo src gnome org>]

commit a8807679233f37069e2e312be66b445af295bb86
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Tue Nov 13 00:30:03 2018 -0300

    shell: Replace deprecated symbol on ev-toolbar

 shell/ev-toolbar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/shell/ev-toolbar.c b/shell/ev-toolbar.c
index e0ffc509..f811b31c 100644
--- a/shell/ev-toolbar.c
+++ b/shell/ev-toolbar.c
@@ -81,7 +81,7 @@ ev_toolbar_set_button_action (EvToolbar   *ev_toolbar,
 {
         gtk_actionable_set_action_name (GTK_ACTIONABLE (button), action_name);
         gtk_button_set_label (button, NULL);
-        gtk_button_set_focus_on_click (button, FALSE);
+        gtk_widget_set_focus_on_click (GTK_WIDGET (button), FALSE);
         if (tooltip)
                 gtk_widget_set_tooltip_text (GTK_WIDGET (button), tooltip);
 }