Save the order in which features were added and use that when applying

Save the order in which features were added and use that when applying

Tue Jul 27 12:38:05 2004  Owen Taylor  <otaylor@redhat.com>

        * pango/opentype/ftxopen.[ch] pango/opentype/ftxgsub.c
        pango/opentype/ftxpos.c: Save the order in which
        features were added and use that when applying features.
        (Patch from Soheil Hassas Yeganeh, #122330)