(code_conversion_save): Extern it.
#define ENCODE_UTF_8(str) code_convert_string_norecord (str, Qutf_8, 1)
/* Extern declarations. */
-extern Lisp_Object make_conversion_work_buffer P_ ((int, int));
+extern Lisp_Object code_conversion_save P_ ((int, int));
extern int decoding_buffer_size P_ ((struct coding_system *, int));
extern int encoding_buffer_size P_ ((struct coding_system *, int));
extern void setup_coding_system P_ ((Lisp_Object, struct coding_system *));