(ccl_driver) <CCL_Call>: Now CCL program ID to call may be

(ccl_driver) <CCL_Call>: Now CCL program ID to call may be
stored in the following CCL code.  Adjusted for the change of
Vccl_program_table.
(resolve_symbol_ccl_program): Adjusted for the new style of
embedded symbols (SYMBOL . PROP) in CCL compiled code.   Return Qt
is resolving failed.
(ccl_get_compiled_code): New function.
(setup_ccl_program): Function type changed from `void' to `int'.
Resolve symbols in CCL_PROG.
(Fccl_program_p): New function.
(Fccl_execute): Get compiled CCL code by just calling
setup_ccl_program.
(Fccl_execute_on_string): Likewise.
(Fregister_ccl_program): Adjusted for the change of
Vccl_program_table.