fix focus_row adjustment (gtk_ctree_remove_node): select focus_row if

fix focus_row adjustment (gtk_ctree_remove_node): select focus_row if

Wed Nov  4 21:52:57 1998  Lars Hamann  <lars@gtk.org>

        * gtk/gtkctree.c (gtk_ctree_unlink): fix focus_row adjustment
        (gtk_ctree_remove_node): select focus_row if needed
        (cell_size_request): only get pixmap size if pixmap != NULL