Fix extra argument

la_kernel.c

@@ -8476,7 +8476,8 @@ int la_ProcessSysMessage(){
         case Expose:
             wnd = lstFindItem(e.xexpose.window, la_IsThisSysWindow, &MAIN.Windows);
             if(!wnd) break;
-            laRefreshWindow(wnd);
+            MAIN.CurrentWindow=wnd;
+            laRefreshWindow();
             break;
         case MotionNotify:
             la_SendMouseEvent(e.xmotion.window, LA_MOUSEMOVE, e.xmotion.x,e.xmotion.y);