staging:ozwpan:Fix sparse warning of incorrect argument type

This patch fixes the following sparse warning:
drivers/staging/ozwpan/ozusbsvc1.c:208:50: warning: incorrect type in argument 6 (different base types)
drivers/staging/ozwpan/ozusbsvc1.c:208:50:    expected unsigned short [unsigned] [usertype] windex
drivers/staging/ozwpan/ozusbsvc1.c:208:50:    got restricted __le16 [usertype] wIndex

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/ozwpan/ozusbsvc1.c b/drivers/staging/ozwpan/ozusbsvc1.c
index 617f51c..f32d014 100644
--- a/drivers/staging/ozwpan/ozusbsvc1.c
+++ b/drivers/staging/ozwpan/ozusbsvc1.c
@@ -54,7 +54,7 @@
  * Context: softirq
  */
 int oz_usb_get_desc_req(void *hpd, u8 req_id, u8 req_type, u8 desc_type,
-	u8 index, u16 windex, int offset, int len)
+	u8 index, __le16 windex, int offset, int len)
 {
 	struct oz_usb_ctx *usb_ctx = (struct oz_usb_ctx *)hpd;
 	struct oz_pd *pd = usb_ctx->pd;