staging: ks7010: Replace literal with constant.

Replace literal bytestring with CIPHER_ID_WPA_WEP40 constant.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.c

@@ -293,7 +293,7 @@ int get_ap_information(struct ks_wlan_private *priv, struct ap_info_t *ap_info,
 			memcpy(ap->rsn_ie.body, bp + 2, ap->rsn_ie.size);
 			break;
 		case WLAN_EID_VENDOR_SPECIFIC: /* WPA */
-			if (memcmp(bp + 2, "\x00\x50\xf2\x01", 4) == 0) { /* WPA OUI check */
+			if (memcmp(bp + 2, CIPHER_ID_WPA_WEP40, 4) == 0) { /* WPA OUI check */
 				ap->wpa_ie.id = *bp;
 				if (*(bp + 1) <= RSN_IE_BODY_MAX) {
 					ap->wpa_ie.size = *(bp + 1);