* composite.h (compose_region): Remove the leftover.

src/ChangeLog

@@ -4,6 +4,7 @@
 	* composite.h (composition_temp): Remove declaration.
 	(COMPOSITION_METHOD, COMPOSITION_VALID_P): Replace with...
 	(composition_method, composition_valid_p): ...inline functions.
+	(compose_region): Remove the leftover.
 	* composite.c (composition_temp): Remove.
 	(run_composition_function, update_compositions)
 	(composition_compute_stop_pos, composition_adjust_point)

src/composite.h

@@ -195,8 +195,6 @@ extern bool find_composition (ptrdiff_t, ptrdiff_t, ptrdiff_t *, ptrdiff_t *,
 			      Lisp_Object *, Lisp_Object);
 extern void update_compositions (ptrdiff_t, ptrdiff_t, int);
 extern void make_composition_value_copy (Lisp_Object);
-extern void compose_region (int, int, Lisp_Object, Lisp_Object,
-                            Lisp_Object);
 extern void syms_of_composite (void);
 extern void compose_text (ptrdiff_t, ptrdiff_t, Lisp_Object, Lisp_Object,
                           Lisp_Object);