staging: wilc1000: fix line over 80 chars issue in host_int_handle_disconnect()

Fix line over 80 char issue in host_int_handle_disconnect() by using
temp variable to hold the 'wilc_connect_result' function pointer.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -1396,6 +1396,7 @@ static inline void host_int_handle_disconnect(struct wilc_vif *vif)
 {
 	struct disconnect_info disconn_info;
 	struct host_if_drv *hif_drv = vif->hif_drv;
+	wilc_connect_result conn_result = hif_drv->usr_conn_req.conn_result;
 
 	memset(&disconn_info, 0, sizeof(struct disconnect_info));
 
@@ -1408,13 +1409,12 @@ static inline void host_int_handle_disconnect(struct wilc_vif *vif)
 	disconn_info.ie = NULL;
 	disconn_info.ie_len = 0;
 
-	if (hif_drv->usr_conn_req.conn_result) {
+	if (conn_result) {
 		wilc_optaining_ip = false;
 		wilc_set_power_mgmt(vif, 0, 0);
 
-		hif_drv->usr_conn_req.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
-						  NULL, 0, &disconn_info,
-						  hif_drv->usr_conn_req.arg);
+		conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, NULL, 0,
+			    &disconn_info, hif_drv->usr_conn_req.arg);
 	} else {
 		netdev_err(vif->ndev, "Connect result NULL\n");
 	}