[V1.3 - Ground Combat] CTD right on mission load (Scout - Village)

[wulf 21]

Found yet another UFO-Terrain combination can crash the game:

UFO: Scout

Terrain: Village (located in a desert region)

Load the attached savefile and forward time - it will crash the game about 50% of times.

quick_save.json

output.log

2018-12-16 12:33:35,362 [FATAL] (D:\Jenkins\workspace\X2 (Build)\hotfix-v0.34.1\Assets\Code\Screens\XenonautsMain.cs:441) 
A fatal error occurred during Update() - 
System.NullReferenceException: Object reference not set to an instance of an object
  at Xenonauts.GroundCombat.Systems.Objectives.DefeatTeamGCObjective.<GetTargets>m__0 (Artitas.Entity t) [0x00001] in D:\Jenkins\workspace\X2 (Build)\hotfix-v0.34.1\Assets\Code\Screens\GroundCombat\Systems\Objectives\KillTeamGCObjective.cs:74 
  at System.Linq.Enumerable+<CreateSelectManyIterator>c__Iterator12`2[Artitas.Entity,Artitas.Entity].MoveNext () [0x00000] in <filename unknown>:0 
  at System.Collections.Generic.List`1[Artitas.Entity].AddEnumerable (IEnumerable`1 enumerable) [0x0001a] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Collections.Generic/List.cs:128 
  at System.Collections.Generic.List`1[Artitas.Entity]..ctor (IEnumerable`1 collection) [0x00025] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Collections.Generic/List.cs:65 
  at System.Linq.Enumerable.ToList[Entity] (IEnumerable`1 source) [0x00000] in <filename unknown>:0