Merge pull request #5801 from Mailaender/building-influence-crash

Fixed a crash when trying to capture husks that have been destroyed.

OpenRA.Mods.RA/Buildings/BuildingInfluence.cs

@@ -12,6 +12,7 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA.Buildings
 {
+	[Desc("A dictionary of buildings placed on the map. Attach this to the world actor.")]
 	public class BuildingInfluenceInfo : ITraitInfo
 	{
 		public object Create(ActorInitializer init) { return new BuildingInfluence(init.world); }
@@ -28,7 +29,7 @@ namespace OpenRA.Mods.RA.Buildings
 
 			influence = new CellLayer<Actor>(map);
 
-			world.ActorAdded +=	a =>
+			world.ActorAdded += a =>
 			{
 				var b = a.TraitOrDefault<Building>();
 				if (b == null)