char: moxa.c sparse annotation

The only use is to pass this to le16_to_cpu, declare as such
drivers/char/moxa.c:548:11: warning: cast to restricted __le16.

Signed-off-by: Harvey Harrison <[e-mail]>
Cc: Jiri Slaby <[e-mail]>
Cc: Alan Cox <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/char/moxa.c

···
 		size_t len)
 {
 	void __iomem *baseAddr = brd->basemem;
-	const u16 *uptr = ptr;
+	const __le16 *uptr = ptr;
 	size_t wlen, len2, j;
 	unsigned long key, loadbuf, loadlen, checksum, checksum_ok;
 	unsigned int i, retry;