Fix problems when an engine declaration occurs in a reopened style, and

Fix problems when an engine declaration occurs in a reopened style, and

Fri Jan 18 23:01:37 2002  Owen Taylor  <otaylor@redhat.com>

        * gtk/gtkrc.c (gtk_rc_parse_style): Fix problems when
        an engine declaration occurs in a reopened style, and
        g_free() of objects when errors occur.