applied patch from Paolo Molaro to fix GTK_TYPE_POINTER args of

applied patch from Paolo Molaro to fix GTK_TYPE_POINTER args of

Wed Feb 10 15:49:16 1999  Tim Janik  <timj@gtk.org>

        * gtk/gtkwindow.c (gtk_window_class_init):
        * gtk/gtkctree.c (gtk_ctree_class_init): applied patch from Paolo
        Molaro to fix GTK_TYPE_POINTER args of ::tree_collapse and
        ::set_focus signals.

        * docs/gtk_tut.sgml: s/menufactory/itemfactory, minor fixups
        to the item factory example.