Made iter argument to TREE-MODEL-ITER-N-CHILDREN optional

diff --git a/gtk/gtktree.lisp b/gtk/gtktree.lisp
index e82d28070fe2debb3e81b0826582fa0ab7a59a8c..244271e74d3702475f8b415cae7c0958e89777f6 100644 (file)
--- a/gtk/gtktree.lisp
+++ b/gtk/gtktree.lisp
@@ -20,7 +20,7 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: gtktree.lisp,v 1.24 2006-09-15 07:43:00 espen Exp $
+;; $Id: gtktree.lisp,v 1.25 2006-10-17 15:27:52 espen Exp $
 
 
 (in-package "GTK")
@@ -434,9 +434,9 @@ (defbinding (tree-model-iter-has-child-p "gtk_tree_model_iter_has_child")
   (tree-model tree-model)
   (iter tree-iter))
 
-(defbinding tree-model-iter-n-children () int
+(defbinding tree-model-iter-n-children (tree-model &optional iter) int
   (tree-model tree-model)
-  (iter tree-iter))
+  (iter (or null tree-iter)))
 
 (defbinding tree-model-iter-nth-child
     (tree-model parent n &optional (iter (make-instance 'tree-iter))) boolean