checkbutton: Reuse a helper function

diff --git a/gtk/gtkcheckbutton.c b/gtk/gtkcheckbutton.c
index f9ba214ddd84473592f6e38544edc709436b2728..296ba6f2bafc9cd01f9c730f180506e48fc4bb0e 100644 (file)
--- a/gtk/gtkcheckbutton.c
+++ b/gtk/gtkcheckbutton.c
@@ -680,17 +680,7 @@ gtk_check_button_set_active (GtkCheckButton *self,
       GtkCheckButton *group_first = NULL;
       GtkCheckButton *iter;
 
-      /* Find first in group */
-      iter = self;
-      while (iter)
-        {
-          group_first = iter;
-
-          iter = get_group_prev (iter);
-          if (!iter)
-            break;
-        }
-
+      group_first = get_group_first (self);
       g_assert (group_first);
 
       /* Set all buttons in group to !active */