clear scroll_to_path if the model changes.

clear scroll_to_path if the model changes.

Sat Aug 20 16:12:14 2005  Jonathan Blandford  <jrb@redhat.com>

        * gtk/gtktreeview.c (gtk_tree_view_set_model): clear
        scroll_to_path if the model changes.

        * gtk/gtkiconview.c: (gtk_icon_view_destroy),
        (gtk_icon_view_size_allocate), (gtk_icon_view_set_cursor),
        (gtk_icon_view_scroll_to_path): Handle scrolling to a path before
        we're realized, #312798
        (gtk_icon_view_set_model): clear scroll_to_path if the model
        changes.