(Vcharset_chinese_cns11643_3): New variable in UTF2000.

(Vcharset_chinese_cns11643_3): New variable in UTF2000.
(Vcharset_chinese_cns11643_4): New variable in UTF2000.
(Vcharset_chinese_cns11643_5): New variable in UTF2000.
(Vcharset_chinese_cns11643_6): New variable in UTF2000.
(Vcharset_chinese_cns11643_7): New variable in UTF2000.
(Qchinese_cns11643_3): New variable in UTF2000.
(Qchinese_cns11643_4): New variable in UTF2000.
(Qchinese_cns11643_5): New variable in UTF2000.
(Qchinese_cns11643_6): New variable in UTF2000.
(Qchinese_cns11643_7): New variable in UTF2000.
(syms_of_mule_charset): Define `chinese-cns11643-3',
`chinese-cns11643-4', `chinese-cns11643-5', `chinese-cns11643-6' and
`chinese-cns11643-7' in UTF2000.
(vars_of_mule_charset): Initialize next_allocated_2_byte_leading_byte
by LEADING_BYTE_CHINESE_BIG5_2 + 1 in UTF2000.
(complex_vars_of_mule_charset): Setup charset `chinese-cns11643-3',
`chinese-cns11643-4', `chinese-cns11643-5', `chinese-cns11643-6' and
`chinese-cns11643-7' in UTF2000.