[NETFILTER]: netfilter: xt_u32 bug correction

An extraneous ";" makes xt_u32 match useless
Signed-off-by: NEric Dumazet <dada1@cosmosbay.com>
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/netfilter/xt_u32.c

@@ -36,7 +36,7 @@ static bool u32_match_it(const struct xt_u32 *data,
 		at  = 0;
 		pos = ct->location[0].number;
 
-		if (skb->len < 4 || pos > skb->len - 4);
+		if (skb->len < 4 || pos > skb->len - 4)
 			return false;
 
 		ret   = skb_copy_bits(skb, pos, &n, sizeof(n));