wl12xx: remove redundant null check on wl->scan.ssid

ssid is an array of u8, so it can never be null, so the null check on
wl->scan.ssid is redundant and can be removed.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ti/wl12xx/scan.c

@@ -149,7 +149,7 @@ static int wl1271_scan_send(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 	else
 		cmd->params.band = WL1271_SCAN_BAND_5_GHZ;
 
-	if (wl->scan.ssid_len && wl->scan.ssid) {
+	if (wl->scan.ssid_len) {
 		cmd->params.ssid_len = wl->scan.ssid_len;
 		memcpy(cmd->params.ssid, wl->scan.ssid, wl->scan.ssid_len);
 	}