Fix net/core/wireless.c link failure

#include <linux/seq_file.h>

#include <linux/init.h>			/* for __init */

#include <linux/if_arp.h>		/* ARPHRD_ETHER */

#include <linux/etherdevice.h>		/* compare_ether_addr */

#include <linux/wireless.h>		/* Pretty obvious */

#include <net/iw_handler.h>		/* New driver API */