staging: wilc1000: Remove useless cast.

Variable ip_addr is already declared as pointer to u8. Again explicit type
casting of ip_addr to u8, is not required. Hence this patch removes it
by using the following coccinelle script.

@@
type T;
T *ptr,p;
@@
(
- (T *)(&p)
+ &p
|
- (T *)ptr
+ ptr
|
- (T *)(ptr)
+ ptr
|
- (T)(p)
+ p
)

Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -384,7 +384,7 @@ static void handle_set_ip_address(struct wilc_vif *vif, u8 *ip_addr, u8 idx)
 
 	wid.id = (u16)WID_IP_ADDRESS;
 	wid.type = WID_STR;
-	wid.val = (u8 *)ip_addr;
+	wid.val = ip_addr;
 	wid.size = IP_ALEN;
 
 	ret = wilc_send_config_pkt(vif, SET_CFG, &wid, 1,