Korrekte initialisierung des resultarrays im pathfinding

src/Pathfinder.cs

@@ -25,6 +25,10 @@ namespace WorldOfPeacecraft
 				}
 			}
 			PathNode[] result = new PathNode[mapHeight * mapWidth];
+			for (int i = 0;i < result.Length;i++)
+			{
+				result[i] = new PathNode();
+			}
 			int noSteps = findPath (posFrom, posTo, mapWidth, mapHeight, boolMap, result);
 			LinkedList<Coordinate> mappedResult = new LinkedList<Coordinate>();
 			for (int i = 0; i < noSteps; i++) {