Fix net/core/wireless.c link failure

It needs <linux/etherdevice.h> for compare_ether_addr()

net/core/wireless.c

@@ -78,6 +78,7 @@
 #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 */