libarchive: Do not use ST_NOATIME if not defined

Use the same pattern already used elsewhere in archive_read_disk_posix.c
to use ST_NOATIME only when defined.

Utilities/cmlibarchive/libarchive/archive_read_disk_posix.c

@@ -1390,9 +1390,11 @@ setup_current_filesystem(struct archive_read_disk *a)
 	else
 		t->current_filesystem->remote = 1;
 
+#if defined(ST_NOATIME)
 	if (sfs.f_flag & ST_NOATIME)
 		t->current_filesystem->noatime = 1;
 	else
+#endif
 		t->current_filesystem->noatime = 0;
 
 	/* Set maximum filename length. */