Diamond-Da42: micro-bug fix.
* Models/da42.xml: when loading a remote DA-42, create its property node controls/lighting/landing-lights if it does not exist, so we can then alias it to the multiplayer property (int[10]) it sends for the landing light.
Authored by: lbrenta 2017-07-11
Parent: [r2983]
Child: [r2985]
