MI_LArrow cleanup

Source/missiles.cpp

@@ -2608,7 +2608,7 @@ void MI_LArrow(int i)
 			if (missile[i]._mix != missile[i]._miVar1 || missile[i]._miy != missile[i]._miVar2) {
 				missile[i]._miVar1 = missile[i]._mix;
 				missile[i]._miVar2 = missile[i]._miy;
-				ChangeLight(missile[i]._mlid, missile[i]._mix, missile[i]._miy, 5);
+				ChangeLight(missile[i]._mlid, missile[i]._miVar1, missile[i]._miVar2, 5);
 			}
 		}
 	}