uip-ds6.c: Avoid compilation warning
@@ -91,7 +91,9 @@ static uip_ds6_maddr_t *locmaddr;
static uip_ds6_aaddr_t *locaaddr;
#endif /* UIP_DS6_AADDR_NB */
static uip_ds6_prefix_t *locprefix;
+#if (UIP_LLADDR_LEN == 2)
static const uint8_t iid_prefix[] = { 0x00, 0x00 , 0x00 , 0xff , 0xfe , 0x00 };
+#endif /* (UIP_LLADDR_LEN == 2) */
/*---------------------------------------------------------------------------*/
void
