NFC: Avoid misaligned read of an NDEF field

The 32-bit version of payload length field may not be 32-bit aligned in
the message buffer, so use WPA_GET_BE32() to read it instead of ntohl().

Signed-off-by: Jouni Malinen <j@w1.fi>

src/wps/ndef.c

@@ -47,7 +47,7 @@ static int ndef_parse_record(const u8 *data, u32 size,
 	} else {
 		if (size < 6)
 			return -1;
-		record->payload_length = ntohl(*(u32 *)pos);
+		record->payload_length = WPA_GET_BE32(pos);
 		pos += sizeof(u32);
 	}