staging: wilc1000: change data type of result in handle_set_operation_mode

This patch changes data type of result variable from s32 to int. result
is used to get return value from wilc_send_config_pkt that has return
type of int.
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -331,7 +331,7 @@ static void handle_set_wfi_drv_handler(struct wilc_vif *vif,
 static void handle_set_operation_mode(struct wilc_vif *vif,
 				      struct op_mode *hif_op_mode)
 {
-	s32 result = 0;
+	int result = 0;
 	struct wid wid;
 
 	wid.id = (u16)WID_SET_OPERATION_MODE;