tree-model-iter-n-children

I'd be happy if you could include the following patch.

According to the GTK documentation passing a null tree-iter to
tree-model-iter-n-children should return the number of the top-level
children in a tree model.


Index: gtktree.lisp
===================================================================
RCS file: /cvsroot/clg/clg/gtk/gtktree.lisp,v
retrieving revision 1.24
diff -c -r1.24 gtktree.lisp
*** gtktree.lisp	15 Sep 2006 07:43:00 -0000	1.24
--- gtktree.lisp	12 Oct 2006 11:47:52 -0000
***************
*** 436,442 ****
  
  (defbinding tree-model-iter-n-children () int
    (tree-model tree-model)
!   (iter tree-iter))
  
  (defbinding tree-model-iter-nth-child
      (tree-model parent n &optional (iter (make-instance 'tree-iter))) boolean
--- 436,442 ----
  
  (defbinding tree-model-iter-n-children () int
    (tree-model tree-model)
!   (iter (or null tree-iter)))
  
  (defbinding tree-model-iter-nth-child
      (tree-model parent n &optional (iter (make-instance 'tree-iter))) boolean


-- 
walter pelissero
http://www.pelissero.de

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