Merge branch 'NPEfix' into 'master'

Fix NPE with Realmwalker

See merge request core-developers/forge!6228

forge-game/src/main/java/forge/game/ability/AbilityUtils.java

@@ -1853,7 +1853,7 @@ public class AbilityUtils {
                 // Count$TriggeredManaSpent
                 if (sq[0].equals("TriggeredManaSpent")) {
                     final SpellAbility root = (SpellAbility) sa.getRootAbility().getTriggeringObject(AbilityKey.SpellAbility);
-                    return root.getTotalManaSpent();
+                    return root == null ? 0 : root.getTotalManaSpent();
                 }
 
                 // Count$Adamant.<Color>.<True>.<False>

forge-gui/src/main/java/forge/player/PlayerControllerHuman.java

@@ -1278,7 +1278,6 @@ public class PlayerControllerHuman extends PlayerController implements IGameCont
 
         // TODO JAVA 8 use getOrDefault
         for (Card c : player.getAllCards()) {
-
             // Changeling are all creature types, they are not interesting for
             // counting creature types
             if (c.hasStartOfKeyword(Keyword.CHANGELING.toString())) {