staging: ozwpan: Increase farewell report size.

Farewell report size can be bigger than one byte, increase array
size to accomodate maximum 32 bytes of farewell report.
Signed-off-by: NRupesh Gujare <rupesh.gujare@atmel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ozwpan/ozpd.h

@@ -48,7 +48,7 @@ struct oz_farewell {
 	struct list_head link;
 	u8 ep_num;
 	u8 index;
-	u8 report[1];
+	u8 report[32];
 	u8 len;
 };