#432 Fixed NPE on finishing Pursuit game.

core/src/cz/nic/tablexia/game/games/pursuit/helper/PositionHelper.java

@@ -74,6 +74,9 @@ public class PositionHelper {
         }
 
         private Vector2 getRotatedPosition(RotationDefinition rotationDefinition, Point position) {
+            //TODO - Refactor (Added null check, cos it caused crashing on my Nexus 5X)
+            if(rotationDefinition == null) return new Vector2(position.x, position.y);
+
             switch (rotationDefinition) {
                 case UP:
                     //x = y, y = 1-x