Staging: rtl8192u: use ARRAY_SIZE

Change sizeof(x) / sizeof(*x) to ARRAY_SIZE(x).
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c

@@ -85,7 +85,7 @@ static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
 	}
 	/* Add the protocol name */
 	iwe.cmd = SIOCGIWNAME;
-	for(i=0; i<(sizeof(ieee80211_modes)/sizeof(ieee80211_modes[0])); i++) {
+	for(i=0; i<ARRAY_SIZE(ieee80211_modes); i++) {
 		if(network->mode&(1<<i)) {
 			sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size);
 			pname +=ieee80211_modes[i].mode_size;