staging: unisys: fix else statement in visornic_main.c

This patch fixes the following types of check patch warnings:
else is not generally useful after a break or return
Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visornic/visornic_main.c

@@ -377,7 +377,7 @@ visornic_serverdown(struct visornic_devdata *devdata,
 			__func__);
 		spin_unlock_irqrestore(&devdata->priv_lock, flags);
 		return -EINVAL;
-	} else
+	}
 	spin_unlock_irqrestore(&devdata->priv_lock, flags);
 	return 0;
 }