[NETFILTER]: xt_tcpudp: fix wrong struct in udp_checkentry

It doesn't seem to have any effect on the x86 architecture but it does
have effect on the Axis CRIS architecture.

Signed-off-by: Jesper Bengtsson <[e-mail]>
Signed-off-by: Patrick McHardy <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/netfilter/xt_tcpudp.c

···
 	       void *matchinfo,
 	       unsigned int hook_mask)
 {
-	const struct xt_tcp *udpinfo = matchinfo;
+	const struct xt_udp *udpinfo = matchinfo;
 
 	/* Must specify no unknown invflags */
 	return !(udpinfo->invflags & ~XT_UDP_INV_MASK);