Fix problem where there were two copies of the "do an arrow step" code,

Fix problem where there were two copies of the "do an arrow step" code,

Thu Mar  7 10:31:57 2002  Owen Taylor  <otaylor@redhat.com>

        * gtk/gtknotebook.c (gtk_notebook_timer): Fix problem where
        there were two copies of the "do an arrow step" code,
        one correct for rotated notebooks, one not. (#73855,
        Thomas Leonard.)