Don't include <chise.h> because it is included in chartab.h.

Don't include <chise.h> because it is included in chartab.h.
(Fmake_char_table): Initialize `ct->feature_table' when `CHISE' is
defined.
(Fcopy_char_table): Copy `ct->ds' and `ct->feature_table' when `CHISE'
is defined.
(Fmount_char_attribute_table): Initialize `ct->feature_table' when
`CHISE' is defined.
(Fclose_char_attribute_table): Close `ct->feature_table' and `ct->ds'
when `CHISE' is defined.
(Freset_char_attribute_table): Likewise.
(load_char_attribute_maybe): Use `cit->ds' and `cit->feature_table'
when `CHISE' is defined.
(Fload_char_attribute_table): Likewise.