Include "character.h".

Include "character.h".
(Qccl, Qcclp): New variables.
(CCL_WRITE_CHAR): Alway treat the arg CH as a character even if
it's less than 256.
(CCL_WRITE_MULTIBYTE_CHAR): Deleted.
(CCL_WRITE_STRING, CCL_READ_CHAR): Adjusted for the change of SRC
and DST type.
(ccl_driver): Types of arguments changed.  Code adjusted for that.
(Fccl_execute, Fccl_execute_on_string): Adjusted for the change of
ccl_driver.
(syms_of_ccl): Intern and staticpro Qccl and Qcclp.