Fix trivial calloc(3) arguments order

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <freqlabs@FreeBSD.org>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #13052

tests/zfs-tests/cmd/draid/draid.c

@@ -181,7 +181,7 @@ write_map(const char *filename, nvlist_t *allcfgs)
 	 * no locking, it only guarantees the packed nvlist on disk
 	 * is updated atomically and is internally consistent.
 	 */
-	char *tmpname = calloc(MAXPATHLEN, 1);
+	char *tmpname = calloc(1, MAXPATHLEN);
 	if (tmpname == NULL) {
 		free(buf);
 		return (ENOMEM);