Calloc() cleanup

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/gettime.c b/gettime.c
index 1a0f827..277f2cf 100644
--- a/gettime.c
+++ b/gettime.c
@@ -327,7 +327,7 @@
 {
 	struct tv_valid *t;
 
-	t = calloc(sizeof(*t), 1);
+	t = calloc(1, sizeof(*t));
 	if (pthread_setspecific(tv_tls_key, t))
 		log_err("fio: can't set TLS key\n");
 }