app/test: fix ring size

rte_ring_create expects the size of the ring to
be a power of 2. REFCNT_RING_SIZE value is not
power of 2 in-case if RTE_MAX_LCORE == 96.
Fix it by aligning the size to next power of 2 value.

Fixes: af75078f ("first public release")

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>

app/test/test_mbuf.c

@@ -809,7 +809,7 @@ test_refcnt_mbuf(void)
 
 	if (refcnt_mbuf_ring == NULL &&
 			(refcnt_mbuf_ring = rte_ring_create("refcnt_mbuf_ring",
-			REFCNT_RING_SIZE, SOCKET_ID_ANY,
+			rte_align32pow2(REFCNT_RING_SIZE), SOCKET_ID_ANY,
 			RING_F_SP_ENQ)) == NULL) {
 		printf("%s: cannot allocate " MAKE_STRING(refcnt_mbuf_ring)
 		    "\n", __func__);