staging: rtl8712: Fix typo in rtl871x_io.h

Correct spelling typo "padater" to "padapter" in rtl871x_io.h
Signed-off-by: NMasanari Iida <standby24x7@gmail.com>
Acked-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_io.h

@@ -117,7 +117,7 @@ struct io_req {
 	u32	command;
 	u32	status;
 	u8	*pbuf;
-	void (*_async_io_callback)(struct _adapter *padater,
+	void (*_async_io_callback)(struct _adapter *padapter,
 				   struct io_req *pio_req, u8 *cnxt);
 	u8 *cnxt;
 };