lone/value/bytes: copy uninitialized memory

The general memory allocation functions now return zeroed memory blocks.
Avoid duplicate work by not zeroing the memory a second time
or at all when copying an external buffer.

source/lone/value/bytes.c

@@ -23,7 +23,7 @@ struct lone_value lone_bytes_transfer_bytes(struct lone_lisp *lone, struct lone_
 
 struct lone_value lone_bytes_copy(struct lone_lisp *lone, unsigned char *pointer, size_t count)
 {
-	unsigned char *copy = lone_allocate(lone, count + 1);
+	unsigned char *copy = lone_allocate_uninitialized(lone, count + 1);
 	lone_memory_move(pointer, copy, count);
 	copy[count] = '\0';
 	return lone_bytes_transfer(lone, copy, count, true);
@@ -32,6 +32,5 @@ struct lone_value lone_bytes_copy(struct lone_lisp *lone, unsigned char *pointer
 struct lone_value lone_bytes_create(struct lone_lisp *lone, size_t count)
 {
 	unsigned char *pointer = lone_allocate(lone, count + 1);
-	lone_memory_zero(pointer, count + 1);
 	return lone_bytes_transfer(lone, pointer, count, true);
 }