flist: add flist_first_entry()

Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/gclient.c b/gclient.c
index d236f86..42bc761 100644
--- a/gclient.c
+++ b/gclient.c
@@ -694,7 +694,7 @@
 
 static void gfio_client_iolog(struct fio_client *client, struct cmd_iolog_pdu *pdu)
 {
-	printf("got iolog: name=%s, type=%u, entries=%u\n", pdu->name, pdu->log_type, pdu->nr_samples);
+	printf("got iolog: name=%s, type=%u, entries=%lu\n", pdu->name, pdu->log_type, (unsigned long) pdu->nr_samples);
 	free(pdu);
 }